Marcia Bartusiak is an author, journalist and Professor of the Practice of the Graduate Program in Science Writing at MIT. She writes about the fields of astronomy and physics. Marcia has been published in National Geographic, Astronomy, Sky & Telescope, Science, Popular Science, World Book Encyclopedia, Smithsonian, and Technology Review. She is a regular contributor to Natural History magazine. Bartusiak has twice won the American Institute of Physics Science Writing Award - in 2001 for Einstein's Unfinished Symphony and in 1982 for Discover Magazine, "The Ultimate Timepiece". She won the 2006 American Institute of Physics Andrew W. Gemant Award. "The Andrew Gemant Award recognizes the accomplishments of a person who has made significant contributions to the cultural, artistic, or humanistic dimension of physics given annually." Her latest book The Day We Found the Universe is about the birth of modern cosmology in the 1920s. One of the key events covered in the book is the background and description of Edwin Hubble's findings about the size of the universe. Hubble confirmed that the Universe was far larger than previously believed.