1956 Press Photo LSU technologist Yvonne Stich examines Jock, the baboon.

He's only a baboon, but Jock, and others like him, may help scientists solve one of the nation's major health problems - heart disease. The baboon from Audubon Park, who died three months ago, furnished doctors with a possible lead in their fight against the dreaded killer. Here LSU technologist Yvonne Stich readies Jock for examination.

Photo is dated 1956.

Photo measures 8.25 x 10 inches.