David Rosan was an American art historian born in 1938 and passed away in 2014. His work delved into the intricate world of art, offering insights that bridged the gap between historical context and contemporary understanding. Rosan's expertise was not confined to academia; he also ventured into the art market, co-founding Rosan & Company, which later became Rosan Reeves Auctions. This dual role as an academic and a market player provided him with a unique perspective, allowing him to appreciate art both as a cultural artifact and a valuable commodity. His legacy continues to influence the way we perceive and value art today.