Lucas was born at St Marylebone London and served in the Royal Artillery during World War I, being a 2nd lieutenant in 1915.[3] After the war he went to Oxford University and was a proficient rower. He was a member of the Leander eight which won the silver medal for Great Britain rowing at the 1920 Summer Olympics, coming within half a length of winning.[4]
Lucas and his wife Rene spent their later years rescuing abandoned boats. In 1947, they rescued the yacht Lulworth which they mud-berthed and used it as a houseboat. Lucas died of a heart attack while sailing his dinghy.[5]