Bobby Fischer (1943–2008) American chess prodigy, chess player, and chess writer
1980s, 1984 letter to Encyclopedia Judaica <br class="br">Source: from 2nd paragraph, verified December 2014 article by Saul Jay Singer of JewishPress.com https://www.jewishpress.com/sections/features/features-on-jewish-world/fischer-and-spassky-two-infamous-jewish-anti-semites/2014/12/26/