1-2 of 2 results  for:

  • Business and finance x
  • electronics and computing x
  • Christianity x
Clear all


John Richardson Mainwaring Simmons (1902–1985) by unknown photographer private collection


Simmons, John Richardson Mainwaring (1902–1985), office systems pioneer and company director, was born on 18 March 1902 at 52 Ward Place, Cinnamon Gardens, Colombo, Ceylon, the third child of Sydney Mainwaring Simmons (1870–1955), clerk in holy orders, and his first wife, Beatrice Margaret Reynolds (1869–1907)...