John William Mackenzie (1859-1918)
of Wheatley and Mackenzie, 156 Strand, London, W.C.
1918 Obituary 
JOHN WILLIAM MACKENZIE was born at Cheadle, Staffs, on 26th April 1859.
After serving an apprenticeship with Sir Joseph Whitworth and Co., Manchester, he attended a three-years' course at the Royal College of Science, obtaining the Diploma of the College and a Whitworth Scholarship.
On leaving College he was engaged as assistant in the office of Mr. (afterwards Sir) W. Lloyd-Wise, and had charge of the preparation of the abstracts of specifications which appeared in Engineering. He also contributed technical articles for English and Foreign journals, and during 1887-8 he was engaged as assistant on the Research Committees of this Institution.
His death took place at Byfleet on 24th September 1918, at the age of fifty-nine.
He became a Member of this Institution in 1885.