Julius Blank is a semiconductor pioneer and a member of the Traitorous Eight.

He was born and raised in New York. He earned a Bachelor's degree in mechanical engineering from the City College of New York.

He worked at the seminal Shockley Semiconductor Laboratory division of Beckman Instruments, until he and the other disgruntled members of the Traitorous Eight left to form the influential Fairchild Semiconductor corporation.

In 1978, he co-founded Xicor, where he is a member of its Board of Directors.