Previous Article Next Article Table of Contents Nature, Vol.590, No.7847, 547-547, 2021 DOI10.1038/d41586-021-00461-w Export Citation Obituary George Carruthers (1939-2020) Callahan A, Meier RR, DeVorkin DH Astronomer and engineer of the first observatory on the Moon. Astronomer and engineer of the first observatory on the Moon. Keywords:Astronomy and astrophysics;Engineering;History Please enable JavaScript to view the comments powered by Disqus.