Jesco von Puttkamer
Jesco Freiherr von Puttkamer  was a German-born American aerospace engineer and senior NASA manager, who served as special science advisor on the first Star Trek film, . Among others, von Puttkamer came up with the theory behind the faster-than-light warp speed drive, and the slogan "The Human Adventure is Just Beginning". He also explained the scientific principles behind certain phenomena, such as the wormhole, to production staffers in order for them to be more accurate in displaying them in the movie. The memo he wrote to Gene Roddenberry, concerning the wormhole, is reproduced in  magazine.

Von Puttkamer's scientific input was not lost on the Star Trek fan community, and he had been invited to several period conventions, which he attended. (Starlog, issue 3, p. 27) Nor did his acquaintance with the franchise stop there, as Puttkamer also wrote a short story for the The New Voyages 2 anthology, edited by Sondra Marshak and Myrna Culbreath.

Von Puttkamer was later the management leader of the International Space Station at the NASA Headquarters in Washington DC.

He died of a sudden illness on 27 December 2012 at his home.

Bibliography
"The Sleeping God", The New Voyages 2, 1978
"The Origins of Star Trek's Wormhole", , issue 33, April 1980, p. 25

External links 
 
 

Science consultants
Star Trek novel authors
Star Trek reference authors