BARRY K. SIMPSON, an architect, designer, and inventor, died Apr. 4, 2017, at age 75. He was a member of Chi Psi and received a master’s degree in architecture from Yale University. Upon graduation he and several of his fellow students moved to the Mad River Valley (Vermont) area and led the design/build movement of the 1960s and 1970s. He was an owner of the Bobbin Mill in Warren, Vt., a former wood-turning mill that he turned into an incubator facility for young entrepreneurs in a variety of startup businesses. His own business, Dirt Road Company, designed and manufactured a variety of wooden products. Dedicated to public service, he volunteered for the fire department, the ambulance service, and the Cub Scouts, and he served the town of Warren for 37 years, first as a planning commissioner for 20 years and later on the board of selectmen. At the time of his death he was entering his 10th year as the director of public works and the road commissioner. One son predeceased him. Among those who survive are his wife, Claire Walker Simpson, two daughters, two brothers, and an extended family.