> Pardon my redefinition but: > > Dykstra, the man who implemented semaphores, was DUTCH not Swedish. > P and V are the first letters in "stop" and "go" in dutch. > Yes Dijkstra is Dutch (Watch spelling of name 'ij' NOT 'y'). P is for "Pakken" (take in English) V is for "Vrijgeven" (release in English)