The careless manner in which Kirk seemed to treat the grave issue of my life enraged me. This man, who in Chiswick posed as shabby and broken-down, was certainly no ordinary person. He was a shrewd, clever adventurer, possessed of resources that had even astonished Sir Mark Edwards. He had entrapped me, for some hidden reason of his own, and now he held me in a hateful bondage.
But with the vivid recollection of Mabel upon me, I resolved to defy this enemy of mine at all costs. I was only awaiting the return of the false Professor to unmask the pair, to call a constable, and to give them both in charge.
What the result would be, I cared not. I should, however, at least be afforded an opportunity to make revelations in the police-court which they would find it somewhat awkward to refute. Surely by doing this I should be performing a work of public benefit? The pair were clever swindlers, reaping the harvest from that secret discovered by the unfortunate man who had been purposely killed.
“You appear, Mr Kirk, to consider me an absolute fool!” I said, interrupting his song.
“I do, my dear Holford, I do. You have acted against your own interests, and even now you are spitting against the wind.”
“You desire my silence, yet you offer me nothing in return!” I said.
“Oh, you want payment!” he cried. “My dear sir, you have only to name your own price. We shall not quarrel over it, I can assure you.”
“No,” I said angrily, “I desire no blood-money, even though it is to save Ethelwynn Greer. I have all along suspected her of some complicity in the affair, although on the night you removed her to that house in Foley Street she accused you of the crime!”
He started quickly and turned to me, his countenance slightly paler.
“Repeat that,” he said quietly.
I did so. I told him how I had followed him to Foley Street, of the screams and words I had heard while standing in the fog outside the house.
“H’m. So you think I’m guilty of the crime, eh?” he said simply.
“I repeat the girl’s allegation against you,” I said. “And yet this same girl now declares that the Professor is not dead!” Then I added: “He was dead when we were together in the laboratory, was he not? Come, speak plainly!”
“Certainly he was!”
“And men do not come to life again when once dead, do they?”
“But this is an unusual case, I tell you. He—”
“However unusual, you cannot alter the laws of life and death,” I declared.
“Well, my dear Holford, how I wish I could reveal to you one simple truth. It would astound you, no doubt, but it would at the same time alter your opinion of me.”
“Oh, of course,” I laughed bitterly. “You’re not so black as you’re painted—you who have conspired to hold my wife aloof from me—you who for aught I know have told her some infamous tale which has caused her to look upon me with doubt and horror! I have recently learnt that she was acquainted with this man who calls himself Ernest Greer, and that, before she left my roof, she received word in secret from him.”
“Your wife’s affairs are surely of no interest to me, Holford,” said the grey-faced old scoundrel. “I am merely putting forward to you a simple matter of business—in a word, making a proposal for your consideration.”
“A proposal which I will never accept—never, you understand!” I added with emphasis.
“Not if I appeal to you on behalf of Ethelwynn, on behalf of a girl whose very life is dependent upon your silence?” he asked earnestly.
“The punishment for murder is death,” was my hard response.
He regarded me steadily, without speaking. I saw that he realised my steadfastness of purpose, and that I meant to reveal the truth to all the world.
“But,” he cried at last, “you surely will not act as a fool, Holford! I told you on the night we first sat together of the great issues that depended upon your silence, and I repeat it now.”
“Why did you entice me into this complicated tangle of crime and mystery?” I demanded quickly. “Tell me that.”
“Because—well—” And he hesitated. “Because I—I was a fool—I admit it frankly. I ought never to have approached you. Three days later I regretted it deeply.”
“Regretted it because you found, to your surprise, that you had no fool to deal with!” I cried.
“No; because I had made a mistake in another direction. But—but, hark?”
I listened and heard a footstep outside on the stairs.
“The Professor!” Kirk exclaimed. “He has returned. I’ll introduce you.”
I rose from my chair, my teeth set together, my hand gripping the edge of the table.
An instant later the door opened, and I stood boldly face to face with the impostor.
Kirk, with that calm suavity of manner that so annoyed and irritated me, introduced us.
But I bowed coldly to the well-dressed, elderly impostor, a man with keen, deep-set eyes, and a short, scrubby grey beard, asking of my companion:
“Is this farce really necessary, Mr Kirk, when I know the truth?”
The new-comer looked askance at his accomplice, who gave him a quick, meaning look.
“Ah! my dear Mr Holford!” exclaimed the bogus Professor, “I’ve been most anxious to meet you for a considerable time. This is a great pleasure.”
“And one which I most heartily reciprocate,” was my hard reply. “I’ve been endeavouring to find you for a long time. I followed you in Edinburgh, in Glasgow, and later on in Birmingham.”
“Then surely it is a rather happy circumstance that we have met to-day?” he said, rather fussily.
“Happy for me, but perhaps unhappy for you!” I replied, with a dry laugh.
“Why?”
“Because I now intend to expose your very clever plot. The secret you have sold to Sir Mark Edwards does not belong to you at all, but to Professor Ernest Greer, the man who was killed in the room yonder—in his own laboratory!”
His lips grew paler and set themselves hard. I saw in his dark eyes an expression of fear. He held me in terror—that was quite plain.
“Holford, you are mistaken,” declared Kirk.
“In what way?” I demanded.
“Professor Ernest Greer stands before you!”
“No!” I cried. “This man is the impostor—the impostor who wrote to my wife, and enticed her from her home.”
“I wrote to Mrs Holford, certainly,” was the fellow’s cool reply. “But without any evil intent; of that she will herself assure you.”
“Where is she?”
“You will, no doubt, see her before very long, and she will explain the reason of her absence.”
“Ah!” I said, “you adventurers dare not tell me the truth with your own lips. Remember, I saw the Professor lying dead in this house. You cannot induce me to believe that my eyes deceived me!”
“And yet you see the Professor alive before you now!” declared Kirk with a triumphant laugh.
But I made a gesture of disgust, declaring that I refused to be fooled further.
“You are not being fooled, Mr Holford,” asserted the man in a calm, distinct voice, as he opened the door and called to Antonio.
The grave-eyed manservant entered in a few seconds, and as he did so the new-comer said: “Antonio, will you please tell this gentleman who I am?”
“You are my dear master, signore—the Signor Professor Ernest Greer.”
“I already know, Antonio, that you’re a clever liar,” I cried, “so you can retire.”
“The Signorina Ethelwynn has just arrived, signore,” remarked the highly respectable manservant.
“Ah! then tell my daughter to come up?” he cried. “She will no doubt satisfy Mr Holford that I am no impostor.”
“Miss Ethelwynn saw her father lying dead, as I did; how, therefore, can she identify you as her deceased parent? Have you a half-brother, or some relation strongly resembling you?”
“No, I have not,” was his quick reply. “I am simply Professor Ernest Greer, whom a thousand persons living can identify.”
At that moment the fair-haired girl neatly attired in fur jacket, tailor-made skirt, and toque entered, and, with a spring, fell into the impostor’s arms and kissed him.
That piece of acting was, without doubt, perfect. Yet I stood aside and smiled. Had not Kirk previously admitted to me that his earnest endeavour was to secure my silence?
“Am I your father?” asked the dark-eyed man of Ethelwynn, standing with his hand upon her shoulder.
“Of course you are, dear dad! Why?”
“Because this gentleman will not believe it!” he laughed.
“This is my father, Mr Holford,” the girl declared, turning to me.
“But did not you, with your own eyes, see your father dead in his laboratory?” I asked seriously. “Are you not being misled, as these men are trying to mislead me?” I suggested.
She hesitated, glancing towards the man who posed as the Professor as though expecting him to reply for her.
“No,” I went on, “this is a conspiracy—a plot to place this man in a dead man’s shoes. And you know it, Miss Ethelwynn.”
“I tell you he’s my father!” the girl persisted. “Cannot you believe us?”
“Not without some independent proof,” I said. This persistence angered me.
“Then what proof do you require?” asked the man. “Shall I call the park-keeper at Clarence Gate? He has known me and seen me every day for a number of years.”
“Call him, if you wish,” I said, though, truth to tell, I did not intend to be longer fooled by the ingenious machinations of Kirk and his gang.
Antonio was sent to find the park-keeper, who, in due time, appeared, carrying his gold-laced hat in his hand.
“You’ve known Professor Greer a long time?” I asked the white-headed man.
“Several years, sir,” was his quick reply.
“And do you recognise this gentleman as the Professor?” I asked.
“Certainly, sir; I saw him pass in at the gate this morning. He’s cut off his beard, and that makes a bit of difference to a man, you know!”
He laughed.
“You have no hesitation in identifying him, eh?” I asked. “You’ll be able to swear to him in a court of law?”
“Yes, sir, in any court of law. The Professor’s been very kind to me, once or twice; therefore it isn’t likely that I forget either his face or his voice.”
This bewildered me. Was it possible that this impostor was the Professor’s twin brother? I felt confident that Kirk was continuing some very ingenious conspiracy. Was not his suggestion to me that I should forget the tragedy sufficient proof of double-dealing?
I thanked the park-keeper, who withdrew with Antonio, whereupon Kirk asked me whether I was not satisfied.
“No,” I said, “and I shall never be satisfied until I discover the identity of the man who killed Professor Greer.”
“But Professor Greer stands before you!” declared Ethelwynn; “nobody killed him!”
“So you wish me to believe,” I said with a smile, “but as my secrecy has been demanded on your account, I can only suspect that you were, in some way, implicated in the crime.”
She went pale as death. My words, I saw, had a startling effect upon her. She looked first at Kirk and then at the man posing as her father—the man who had secured many thousands of pounds for a secret that was not his own.
“Then you refuse to accept even the park-keeper’s testimony?” Kirk remarked, while the man who had assumed the Professor’s identity walked across to the writing-table and began looking at some letters lying upon it.
“I do; my intention is to unmask you all!” The impostor, the fading light falling upon his clear-cut countenance, turned quickly, and upon his face rested an expression of deadly fear that I had not previously noticed. Hitherto his attitude had been one of bold unconcern. But now, realising my determination, he had grown alarmed. He saw that he had carried the imposture too far.
“Ethelwynn,” he said, in a low, strained voice, “I—I wish to speak with Mr Holford. Will you leave us for a little while, dear. Go into the Red Room, and we’ll join you there later.”
“My dear sir,” I exclaimed, “I don’t desire to hear any more of your denials.”
“I’ll go, dad, of course,” replied the girl, who, in obedience with his suggestion, left the room.
I turned to follow her, but with a sudden movement he placed himself before the door, exclaiming anxiously:
“Mr Holford, pray hear me for one moment, I beg of you. I want to tell you something—to confess!”
“Ah!” I laughed triumphantly. “At last! you will confess! Good! I am all attention.”
“Listen carefully to the facts, Holford,” urged Kirk. “The Professor’s peril lies in the knowledge possessed by one man—yourself. It is therefore but just that you should know the truth.”
“I do not expect the truth from you,” I laughed. “How can I, after all that has passed?”
“The deceit I’ve practised upon you has been imperative,” was his audacious answer.
“Let me explain,” interrupted the impostor, advancing to the fireplace near which I stood. “First, I repeat that I am Professor Ernest Greer, and that this is my house. My statement can be verified later, but for the present I ask you to accept it as the truth. My old friend here, Kershaw Kirk, is not an adventurer, though he so often poses as such. But it is under necessity, for his real profession is that of a confidential agent of the British Government, the trusted head official of our Intelligence Department.”
At this I smiled incredulously, wondering what fantastic story he was about to relate, for even then I did not recognise him by the photograph I had obtained just before going up to Scotland. He was thinner, and his eyes were quite unlike those of the photograph, being narrower and deeper set.
“The plain facts are as follows,” he went on, after a second’s pause. “I had been experimenting until I had discovered an easy method of obtaining from the air those subtle elements helium and neon. My success had incidentally confirmed Sir William Ramsay’s estimation that the proportion of neon and helium in the atmosphere was about one to two in each hundred thousand, when a suggestion occurred to me that my process of hardening armour-plates might be improved upon, and a substance of great cutting power created. My experiments were long and tedious, but were at last crowned with success. I very foolishly gave, in the French scientific journal Cosmos, some account of these experiments, and a month later I was secretly informed by Kirk that the German Government—always our rivals where improvements in war material are concerned—was actively endeavouring to obtain my secret. As you know, I always kept my laboratory locked, and allowed no one within upon any pretext. My only confidante was my daughter Ethelwynn.”
And again he paused, glancing across at where Kirk stood, narrow-eyed and silent.
“Well,” he went on, “after another month had passed, Kirk returned from Germany, where he had been upon a secret mission for the Government, and then he urged me to exercise the greatest care. A very clever German agent, by name Max Leftwich, who had resided in London for some years, had been instructed to obtain my secret at all hazards. Kirk warned me that he was a man of remarkable tact and ability, and that under his control were fully a dozen agents rendering him assistance. It was he who had obtained for his employers in Berlin the secret of our new submarine boat, and who had controlled the survey of the Suffolk coast in view of the coming invasion. I confess that I laughed at Kirk’s fears—fears which were repeated to me by one of the Lords of the Admiralty only a week later. I saw no reason, however, for any serious apprehension. My laboratory was always locked, and could not be entered either from the skylight or conservatory, while the only keys of those double doors were secure upon my chain. But, alas! I had, like many another man, foolishly lulled myself into a sense of false security.”
And he sighed as he again paused.