Robert Groden, Ralph Schoenman, Dick Gregory and Stephen Jaffe were deposed by the Rockefeller Commission on March 26, 1975. Here is a short excerpt about the umbrella man: Money Quote: Mr. Groden: The man here with an open umbrella is the only one in the entire motorcade with an open umbrella on a day when it is no longer raining and it is windy. Immediately after the shots are fired the man stood there while all others ducked for cover, folded the umbrella, and looked after