AB, Johns Hopkins University, 1908. Master of Arts, Johns Hopkins University, 1910. Degree (honorary), Clarkson College.
Research worker, then chief chemist, New Jersey Zinc Company, 1910-1917; chief Research and Development, New Jersey Zinc Company, 1971-1927; partner, Singmaster & Breyer, New York City, 1927; senior partner, chairman advising committee, Singmaster & Breyer, Inc. Chairman of the Board Chemical Enterprises, Inc. Board directors Fluor Corporation, Ltd.
Member American Institute of Mining, Metallurgy, and Petroleum Engineers, American Society for Testing and Materials, American Institute Chemists (honorary), American Institute Chemical Engineers, American Chemical Society, Electro-chemical Society, Association Cons. Chemists and Chemical Engineers, Dirs. Industrial Research, United States Naval Institute, United States Naval Academy Association (honorary), American Ordnance Association, Mining Club, Cheists Club, Pinnacle Club, Clayton Yacht Club.
Married Marjorie Baker, December 27, 1910. Children: Marjorie Love (Mistress J.A. Singmaster Junior), Elizabeth Jane (Mistress Washington patterson Junior), Ann Maxwell (Mistress Ian Ritson).