Gordon Swann in space suit

Detailed Description
Gordon Swann personally demonstrated to doubting NASA astronauts that real geology could be carried out by while constrained inside the confining (often very hot) space suit used on the missions.
Image from Open File Report entitled "The U.S. Geological Survey, Branch of Astrogeology—A Chronology of Activities from Conception through the End of Project Apollo (1960-1973)"
Original caption: "Figure 31-(b) Gordon Swann in suit holding Apollo Lunar Staff prototype; tool carrier in front; USGS photo P45, F96565c"
Sources/Usage
Public Domain.