"Eclipse Award-winning photo of Great Prospector biting Golden Derby during the Tremont Stakes on July 21, 1980.
Golden Derby, under Darrell McHargue, led wire-to-wire for a neck victory over Great Prospector, who was ridden by Jorge Velasquez. Eventual Champion Two Year Old Lord Avie, under Jerry Bailey, was a length back in third.” #History http://www.exclusivelyequine.com/ViewProduct.aspx?productID=P50-1531(BHP)
(Correction for the original post that this horse was Secretariat. Many thanks to webuiltthepyramids.tumblr.com for letting me know.)