At his death in April 1955, his brain was preserved & his ashes scattered in the Delaware River
He wanted to be 
cremated with the brain still inside of his head and his ashes scattered in secret, 
.... secretly scattered his cremated ashes along the Delaware River per... [DOC] [TLE] The Strange And Tragic Story of Albert Einstein's Brain | Environment [PAR] Jan 6, 2013 ... After Einstein's death, his permission to have his brain removed and ... On April 
17, 1955, Albert Einstein was checked into Princeton ... and he would make sure 
that the brain and spinal cord would be preserved .....