John Von Neumann and Norbert Weiner: From Mathematics to the Technologies of Life and Death by Steve Heims (1982) Out of print but libraries have it.
Dark Hero of the Information Age: In Search of Norbert Weiner, the Father of Cybernetics by Flo Conway and Jim Siegelman (2005)
Weiner himself wrote some autobiographies, including Child Prodigy and I Am A Mathematician.