W.C. Hammond-Adler was born Clifford Wallace Adler in Brooklyn, N.Y. He learned to fly in Poughkeepsie, N.Y. in a Great Lakes Trainer and received a private pilot's license in 1937. He enlisted in the Royal Canadian Air Force in 1940 and received a commission. He transferred to Royal Air Force in 1940 and flew Spitfires, Hurricanes, Lysanders, Fairey Battle's, and Blenheim aircraft during World War II. He Transferred to U.S. Army Air Forces in December 1943 and was assigned to the 86th Fighter Bomber Group, 527th Fighter Squadron where he flew P‑47s. He flew in Sicily, Italy, Corsica and in the invasion of southern France.
W.C. Hammond-Adler was shot down 3 times and taken prisoner in December 1944 after 183 missions. He was interned in Stalag Luft I, a combination RAF - USAAF POW Camp. After the war, he flew 156 missions in support of the Berlin Airlift (1948‑1949). When he was released from active duty in May 1950, his decorations included a U.S. Distinguished Flying Cross, an Air Medal with 4 Oak Leaf Clusters, a Purple Heart, and RCAF and RAF decorations.
He flew for Seaboard from 1951 to 1954. He was then engaged in various aviation enterprises in Europe. He died in France.
W.C. Hammond-Adler's first marriage to Phyllis Benson ended in divorce. They had a daughter, Julie. He had a son, Clifford, and a daughter, Geraldine, with Thelma Hammond. He was survived by his wife, Maria L. Brillantes, whom he married in 1967; and by their daughters Tania Christianne Hammond‑Adler and Shana Catrine Hammond‑Adler; as well as by Julie, Clifford, and Geraldine.