Don P. Marquess, A professional art photographer since the early eighties, Don has become one of the most respected photographic artists in the country. Known for his use of intense color, remarkable sharpness, and inventive composition, he has sold more than a quarter of a million photographs with corporate clients that include the Bank of Boston, Smith Barney, and the Kaiser Foundation. He was the exclusive art photographer of Mark McGwire’s 70th homerun baseball as well as Sammy Sosa’s 66th homerun ball.