Fred To, who crafted the first solar-powered aircraft to carry a pilot, alerted your editor to the passing of Derek Piggott MBE (Most Excellent Order of the British Empire). Derek was a master sailplane flight instructor, movie stunt pilot, the first human to successfully take off and fly an aircraft on muscle power alone, and a pioneer in electric aviation. Your editor met Derek at a Soaring Society of America convention in Seattle, Washington in 1980, and has an autographed copy of his autobiography, Delta Papa: A Life of Flying, as a cherished memento of that event. It covers his years in the Royal Air Force starting as a cadet, rising to pilot officer, and flying in Canada and India …