J.F.Ossanna was given unto us in 1928; a prolific programmer, he not only
had a hand in developing Unix but also gave us the ROFF series.
PS: Ada Lovelace, arguably the world's first computer programmer, was
given unto us in 1815; she saw the potential in Charles Babbage's
new-fangled thing.
--
Dave Horsfall DTM (VK2KFU) "Those who don't understand security will
suffer."