Biography
William Perl was an Austrian-born engineer and physicist prosecuted for perjury during the Rosenberg espionage investigation. Federal agents arrested him on March 14, 1951; after arraignment he remained in the Federal House of Detention until posting $20,000 bail on March 19. A jury convicted him in 1953, and he entered federal prison when sentenced on June 5 to five years. He was released from the federal penitentiary at Terre Haute on February 10, 1957.