Harrison Schmitt cancelled in September 1970, the community of lunar geologists supporting Apollo felt so strongly about the need to land a professional geologist on the Moon, that they pressured NASA to reassign Schmitt to a remaining flight. As a result, Schmitt was assigned in August 1971 to fly on the last mission, Apollo 17, replacing Joe Engle as Lunar Module Pilot. Schmitt landed on the Moon with commander Gene Cernan in December 1972. Schmitt claims to have taken the photograph of the Earth known as "The Blue Marble", possibly one of the most widely distributed photographic images in existence. NASA officially
Fallen Astronaut condition that it be displayed "with good taste and without publicity". The replica was given to the Smithsonian Institution on April 17, 1972, the day after CBS anchorman Walter Cronkite referred to the "Fallen Astronaut" and plaque as the first art installation on the Moon during the broadcast of the Apollo 16 launch. It is now on display with a replica of the plaque in the Museum's National Mall Building in the Space Race Wing, Gallery 114. In May 1972, Scott learned that Van Hoeydonck planned to make and sell more replicas. Believing that this would be a violation of