a few guys who know something

http://people.freebsd.org/~phk/

http://en.wikipedia.org/wiki/Theo_de_raadt

http://en.wikipedia.org/wiki/Rob_Pike

http://en.wikipedia.org/wiki/Ken_Thompson_(computer_programmer)

http://en.wikipedia.org/wiki/Brian_Kernighan

http://en.wikipedia.org/wiki/Dennis_Ritchie

http://en.wikipedia.org/wiki/Tom_Duff