William A. Blodgett jr., 58, owner and operator of Blodgett Reproductions in Silver Spring, died Oct. 18 while undergoing surgery for a heart condition at LaCrosse, Wis.

Mr. Blodgett had worked as a specialist in aerial photography and phtographic reproduction since moving to Kensington, 30 years ago. He had operated his own business in Silver Spring for the past 10 years.

A native of Independence, Mo., he grew up in Missouri and Nebraska. He served in the Navy during World War II and had been assigned to the battleship Arizona before the Japanese attack on Pearl Harbor.

Mr. Blodgett attended Resurrection Lutheran Church in Kensington.

Survivors include his wife, the former Katherine Helgerson, and a son, Joseph David, of the home; another son, WIlliam Lee, of West Lafayette, Ind., two daughters, Connie Kangas, of Arnold, Md. and Elizabeth Ann, of Sunnyvale, Calif.; his parents, William and Grace Blodgett, of Maysville, Mo., a brother, Orville, of Union Star, Mo., and a sister, Beulah, of Omaha, Neb., and four grandchildren.

The family suggests that expressions of sympathy be in the form of contributions to the Heart Fund or to the William A. Blodgett Jr. Memorial Fund, c/o Resurrection Lutheran Church, Kensington.