![Black and white-colored portrait of Emily Martin, a woman who is one of the hosts of the Museum's Airspace podcast.](/sites/default/files/styles/callout_half/public/media-assets/Emily%20Martin%20-%20Credit%20Nicholas%20Karlin.jpg?h=a1e1a043&itok=BXrumR9f)
Dr. Emily Martin is a geologist in the Museum's Center for Earth and Planetary Studies. Emily’s researches how planetary surface have changed, especially the icy bodies and ocean worlds of the outer solar system.
![A black and white photograph of Matt Shindell in a blazer with his arms crossed.](/sites/default/files/styles/callout_half/public/2025-01/Shindell%20NASM%20Author%20Photo_Black%20and%20White.jpg?h=c44a407a&itok=hWgQT9bg)
Dr. Matthew Shindell is a historian of science. He focuses on the history of the earth and planetary sciences, especially the history of research programs in these fields during the Cold War.