Arthur Rudolph Professions : Engineer Born : November 9, 1906 Died : January 1, 1996 Browse All Authors Famous Quotes by Arthur Rudolph You want a valve that doesn't leak and you try everything possible to develop one. But the real world provides you with a leaky valve. You have to determine how much leakiness you can tolerate. Arthur Rudolph risk real trying Similar Authors Alan Mulally engineer Bruce White engineer Augustin-Jean Fresnel engineer Aron Ralston engineer Anousheh Ansari engineer Alex Dow engineer All Authors