Robert William Lamm Was Born on the 13Th October 1944 in Brooklyn, New York City Usa, and Is a Singer, Songwriter, Musician Especially a Keyboardist, Widely Known as One of the Founders of Chicago, the Pop Rock Band Based In… You’re Right! Chicago! He Is Famous for Writing Some of the Band’s Greatest Hits Such as “Beginnings”, “25 or 6 to 4”, “Saturday in the Park”, “Questions 67 & 68” and Plenty of Others.