Astronomer-scientist (1907-2004) associated with the Franklin Institute, known for his pioneering work on the Martian clock and calendar. Vintage glossy 8 x 10 photo of Levitt holding a scale model, signed and inscribed in fountain pen, "To The Ken Browne's, with very best wishes, I. M. Levitt.” Reverse bears a typed collector's notation indicating that it was received in 1959. In fine condition, with a light paperclip impression to the top edge.
We use cookies on this site to improve your experience. By using this site, you accept our use of cookies. To learn more, please see our Privacy Policy.
