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Robert L. Hamman, PhD of Marco Island, Florida passed away on September 30, 2017 having returned to his home in Wilmington, Delaware. At his side was his wife of 65 years Dagmar H. Hamman.

Dr. Hamman was the son of Roy Hamman of Wilmington, an engineer with the DuPont Company and a champion Delaware athlete in his youth, and Arlene Jack Hamman of Maine. Dr. Hamman was in the very first graduating class of P. S. duPont High School in 1942. Following high school, he was admitted to the Massachusetts Institute of Technology (MIT) in Cambridge, Massachusetts where he began his studies in Physics.

WW II erupted, and like much of his generation, Dr. Hamman left college and enlisted in the military. He proudly served as a combat infantryman in the U.S. Army, fighting with the 102nd Infantry Division ("Ozark"). In the last year of the war in Europe, his Division moved through France, the Netherlands, Belgium and eventually western Germany, often deployed in intense combat conditions.

Upon discharge from the Army, Dr. Hamman returned to MIT, finishing his undergraduate studies in 1949. Continuing there, he entered the new MIT Sloan School of Management, earning a master's degree with the distinction of being in the school's first graduating class. Later, he served as an instructor at MIT while earning his PhD in Economics at Harvard University. During this time in Boston, Dr. Hamman met and married Dagmar Hallbauer from Beverly, Massachusetts, a graduate of Simmons College and a dietitian at New England Baptist Hospital. They began their family in Boston with the birth of their first daughter Allegra.

Upon completion of the PhD in 1960, the Hamman family moved to Wilmington where their second daughter Sabrina was born. Mrs. Hamman continued her career, becoming a teacher in the New Castle County Public Schools. Dr. Hamman was employed in several capacities, including Head of the School of Business of Widener University, before joining the faculty of Drexel University in Philadelphia. At Drexel University, Dr. Hamman was Chairman of the Department of Economics and Director of the Commerce and Engineering Program. His work was supported by seven grants from the National Science Foundation, for which he was also a consultant. Dr. Hamman retired from teaching in 1995.

Dr. Hamman had many interests that he pursued with vigor and objectivity. He was an avid tennis player for much of his adult life, playing in many different groups of his contemporaries on the courts of the Wilmington Country Club. He was an amateur photographer as well as a devotee of opera and classical music. He was an early investor in the undeveloped beachfront property on Marco Island, Florida, purchasing a unit of a condominium when only the concrete foundation had been poured. In retirement, the Hamman's traveled extensively from Alaska to Europe, across Canada, and to much of the Caribbean. Dr. Hamman enjoyed entertaining friends and guests in both his Delaware and Florida homes. He was involved in professional, educational and personal organizations too numerous to list. He was a longstanding member of the Wilmington Country Club as well as the Harvard Club of New York City.

Friends remember Bob Hamman for his generous nature. He performed thousands of favors and acts of kindness for family and friends, asking nothing in return. He was keen to engage in all manner of political, social and economic debates, yet he was always respectful of anyone who showed initiative, educational achievement, or excellence in their trade or profession.

Dr. Hamman's children, grandchildren, and nieces remember him for his unswerving devotion to family. His marriage was an example of stability and mutual respect, in which husband and wife shared values that centered around family, friends, and education. His home was always open and frequently full of grandchildren. He took an active interest in the growth of each and every family member. He welcomed his daughters' husbands as new sons. He made sure that every grandchild was cared for, and he had many questions and much advice for them about their education and goals as they grew up. Bob Hamman's daughters were his great comfort in life, and they returned his affection in kind.

Along with his wife Dagmar H. Hamman, Dr. Robert L. Hamman is survived by his daughters Allegra J. Hamman of Baltimore, Maryland and Sabrina H. Davies, of Dover, Massachusetts, as well as their respective husbands Douglas M. Schmidt and Peter J. Davies. Dr. Hamman was fond of noting that he had learned to raise two girls, only to be presented with five male grandchildren. They are Bryce Schmidt, Corey Schmidt, Dylan Davies, Matthew Davies, and Peter J. Davies, Jr. Dr. Hamman was pre-deceased by his younger sister Glenna Dolan of Wilmington, as well as his sister-in-law and her husband Ursula and Clifford Hodgkins formerly of Dover, Massachusetts.

Services will be private.