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We saw many plays, art exhibits, and concerts and partook of food and refreshments at the best restaurants wherever we went.

And so it was among best friends.

Shortly before Dave’s death, I said sadly to Bob Hermann, “Our old buddy Dave is not doing well.” Bob said, equally sadly, that he had heard. Then he added, “But he’s had a great life.”

And I have thought a lot about that. Dave really did have a great life. He had a super wife, four wonderful children, and a bevy of marvelous grandchildren. His surviving loved ones are his wife of 52 years, Lynn; his son, Rick Heebner of California; his daughters, Karen Moore of Virginia, Kim Price of Maryland, and Kathy Geiger of Virginia; and his eight grandchildren, all of whom he adored.

He had a very successful career in industry. As a young engineer, his invention made the towed array practical and led to its wide use today as the principal means of detecting submarines. He was awarded the Institute of Electrical and Electronics Engineers (IEEE) Simon Ramo Medal for this extraordinary accomplishment.

He played a major role in the fantastic growth of SAIC (Science Applications International Corporation), starting an effort that changed it from a study house to a systems powerhouse. Dave rose steadily in the ranks of the company to vice chairman of the board. After retirement from SAIC, he became a consultant—an honorable profession, I must note.

In his retirement Dave also had more time to devote to his many hobbies. His winter pastime, in addition to skiing, was working on his stamp collection—a passion he developed as a child. His spring and summer hobby was gardening. He raised flowers and vegetables in abundance, to the delight of his family and friends. His major all-year-round pastime was building and flying radio-controlled model airplanes, everything from gliders to helicopters. He built them, flew them, crashed them, and then rebuilt them to fly again. They traveled with him on trips is a specially fitted travel case, so that he could fly his models in different venues.

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