Steely Dan co-founder Walter Becker died on SundayÂ (Sept. 3) and when the news broke, the music world started sharing tributes. Bandmate Donald Fagen shared a heartfelt message via his official Facebook page. â€œWalter Becker was my friend, my writing partner and my bandmate since we met as students at Bard College in 1967,” Fagen wrote. “He was smart as a whip, an excellent guitarist and a great songwriter. He was cynical about human nature, including his own, and hysterically funny.