The Society continued to embrace an enlightened and accessible approach to membership. Influencial members included
Sir Patrick Geddes FRSE (1854 – 1932), a Scottish biologist, sociologist, geographer, philanthropist and pioneering town planner
Sir D’Arcy Wentworth Thompson CB FRS FRSE (1860 – 1948). Thompson is remembered as the author of the 1917 book On Growth and Form, the process by which patterns and body structures are formed in plants and animals.
Sir Robert Pullar (1828 – 1912) Robert Pullar gave the Society many donations, including £5,000 towards the building of the Natural History Museum in Tay Street.