Donald V. Lemke, 55, of Naperville, died on Nov. 16, 2011, at the Manor Care of Naperville. The son of Donald G. and the late Elizabeth E. Lemke (nee Kopp), he worked in research and development as an electrical engineer.

Mr. Lemke was the brother of Craig M (Nanette) Lemke, James R. (Debbi) Lemke and John R. (Angie) Lemke and the uncle of Luke, Jack, Josh, Nathan, Max, John Tyler, Aundreah and Amber.

Visitation and services were held on Nov. 21 at Hitzeman Funeral Home, 9445 W. 31st St., Brookfield, followed by interment at Queen of Heaven Cemetery.

Memorials appreciated to your favorite charity.