[citation needed] Richardson did several large murals in the Washington D.C. area where he and his wife lived after World War II.
He generally signed his oil paintings in upper case letters "GERARD RICHARDSON", usually in red, on the lower right hand corner with a year date.
[citation needed] His painting, Heavenly Mist, is a rendering of the sinking of John F. Kennedy's PT Boat 109 by the Japanese Destroyer, Amagiri.
The painting was featured in Robert J. Donovan's book, PT-109, John F. Kennedy in World War II.
[2] Other works in Public Collections are in the French Naval Club, Paris, France; National Naval Memorial Museum, Washington, DC; Admiral Jerauld Wright Building, Washington DC; Norfolk Naval Base, Norfolk, VA; Lyndon B. Johnson Ranch, Texas; Sam Rayburn Library, Texas; In the 1960s, he did the covers for many of the Motor Boating Magazine, a Hearst publication.