23rd century scientist Doctor Richard Daystrom (William Marshall) is a hugely important figure in Star Trek history, who still influences the United Federation of Planets in the 25th century. An esteemed expert in computer science, Doctor Daystrom's intelligence and influence were compared to that of Albert Einstein. So esteemed was Daystrom that his name adorns one of the Federation's most prominent research facilities, the Daystrom Institute, and one of its most secretive storage facilities, Daystrom Station.
It was Richard Daystrom who invented the duotronic technology that was used aboard the USS Enterprise and other Constitution-class starships. Daystrom made this game-changing discovery at the age of 24, and spent the intervening years developing multitronics with the intention of creating artificial intelligence. It was Daystrom's work in multitronics that brought him aboard Captain James T. Kirk's (William Shatner) Enterprise in Star Trek: The Original Series season 2, episode 24, "The Ultimate Computer".