Archibald Leitch (1866-1939)
1922 Leitch and Sharpe
1939 Obituary 
"ARCHIBALD LEITCH was for many years connected with Messrs. Archibald Leitch and Partners, consulting engineers and factory architects.
He was born in 1866 and was educated at Hutcheson's Grammar School, Glasgow, and the Andersonian College, Glasgow. He served his apprenticeship from 1882 to 1887 at the engineering works of Messrs. Duncan Stewart and Company, Ltd., Glasgow, after which he held the post of draughtsman for six months. He then served three years at sea as an engineer and obtained a Board of Trade certificate. On his return from abroad he was engaged as superintendent draughtsman in the marine department of the company with whom he had served his apprenticeship. He resigned this post after eight months and entered the employ of another company, but after six years' service started business on his own. He was subsequently appointed consulting mechanical engineer to a number of county councils and other public bodies, and his activities also included lecturing. He was elected an Associate Member in 1897 and transferred to Membership in 1902.
He died on the 25th April 1939."
1946 Obituary