Michael Horowitz

Michael Horowitz is an American author and archivist in San Francisco.

He is the husband of Cynthia Palmer and the father of Winona Ryder.

A former close associate of Timothy Leary, he is responsible With his wife for the creation of the world's largest library of drug literature, the Fitz Hugh Ludlow Memorial Library.

Horowitz and actor Leonardo DiCaprio are planning a biopic about Leary to be written by Craig Lucas.