Marcia F. Bartusiak is an author, journalist, and Professor of the Practice Emeritus of the Graduate Program in Science Writing at the Massachusetts Institute of Technology.

After receiving her master's degree, she became a charter member of the writing staff of Discover magazine, when it first started up in 1980, and then began a freelance science-writing career in 1982.

Bartusiak has three times won the American Institute of Physics Science Writing Award: in 2019 for Dispatches from Planet 3, in 2001 for Einstein's Unfinished Symphony and in 1982 for The Ultimate Timepiece in Discover Magazine.

[6] "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.

"[7] In 2008 she was elected a Fellow of the American Association for the Advancement of Science for “exceptionally clear communication of the rich history, the intricate nature, and the modern practice of astronomy to the public at large" and was also chosen to be a 2022-23 Distinguished Lecturer for Sigma Xi, the scientific research honor society.