Maker: unknown photographer
P. J. Hartog
revised by W. H. Brock
Mercer, John (1791–1866), calico printer and chemist, was born on 21 February 1791 at Dean, in the parish of Great Harwood, near Blackburn, Lancashire, the eldest of three children of Robert Mercer (d. 1800), a hand-loom weaver and farmer, and his wife, ...
Whinfield, John Rex (1901–1966), textile chemist, was born on 16 February 1901 at Brambletye, Cavendish Road, Sutton, Surrey, the son of John Henry Richard Whinfield, mechanical engineer, and his wife, Edith Matthews. He was educated at Merchant Taylors' School and Gonville and Caius College, Cambridge...