Daniel Walter Diefenderfer

 Diefenderfer Daniel Walter March 31, 1940 - November 27, 2024 Dan passed quickly and peacefully in his home. He was born in Montana, raised in San Diego, and studied Mechanical Engineering at Stanford University, graduating in 1962. While working in Germany, he met and married his wife of 52 years, Brigitte. They moved to Radnor with their daughter in 1983. Dan was an avid fan of classic racing cars, traveling the country to judge in regional and national events for the American Antique Automobile Club. He was also committed to local civic activities, serving in an elected role to Radnor's Democratic Committee for nearly 20 years. Dan is survived by his daughter and her family: Sandra, Clas-Goran and Niclas