He was co-investigator with David McKay (PI) of the NASA Johnson Space Center on the study of biomarkers and microfossils in meteorites, astromaterials and ancient terrestrial rocks, and collaborated with Kenneth Nealson (PI) from NASA Jet Propulsion Laboratory on the investigation of microbial extremophiles from some of the Earth's most hostile environments as related to the co-evolution of planets and biospheres.
David Bowie | David Lynch | David | Late Show with David Letterman | David Cameron | David Beckham | David Lloyd George | David Hume | David Hockney | David Letterman | David Byrne | David J. Eicher | David Mamet | David Foster | Late Night with David Letterman | David Ben-Gurion | Jacques-Louis David | David Guetta | David Carradine | Henry David Thoreau | David Tennant | David Niven | David Essex | David A. Stewart | David Sanborn | David Livingstone | David Garrick | David Crosby | David Attenborough | David Souter |
From 1943 to 1946, Private Breger was reprinted in David McKay's Ace Comics (1943–46) and Magic Comics (1945).