David Rumsey is an American map collector and the founder of the David Rumsey Map Collection. He is also the president of Cartography Associates.Rumsey has a Bachelor of Arts and a Master of Fine Arts from Yale University and was a founding member of Yale Research Associates in the Arts also known as PULSA, a group of artists working with electronic technologies. He was also a 1966 initiate into the Skull and Bones Society, before becoming Associate Director of the American Society for Eastern Arts in San Francisco. Later, he entered a 20-year career in real estate development and finance during which he had a long association with Charles Feeney's General Atlantic Holding Company of New York and served as President and Director of several of its real estate subsidiaries; General Atlantic eventually became the Atlantic Philanthropies, a Bermuda-based philanthropic foundation that is one of the world's largest charities. Wikipedia