From the Moog Music website: "ASHEVILLE, N.C. August 21, 2005 Bob died this afternoon at his home in Asheville, N.C. He was 71. Bob was diagnosed with brain cancer (glioblastoma multiforme or GBM) in late April 2005. He had received both radiation treatment and chemotherapy to help combat the disease. He is survived by his wife, Ileana, his five children, Laura Moog Lanier, Matthew Moog, Michelle Moog-Koussa, Renee Moog, and Miranda Richmond; and the mother of his children, Shirleigh Moog."