Part of my Robert A. Heinlein Movie and Book Collection - please enjoy :-)
From Wikipedia:
https://en.wikipedia.org/wiki/The_Brain_Eaters
The Brain Eaters is a 1958 independently made American black-and-white science fiction-horror film, produced by Ed Nelson (and Roger Corman, uncredited), and directed by Bruno VeSota. The film stars Nelson, Alan Jay Factor, and Joanna Lee and includes a brief appearance by Leonard Nimoy (name misspelled in film credits as "Leonard Nemoy"). The Brain Eaters was distributed by American International Pictures as a double feature with either Earth vs. the Spider or Terror from the Year 5000 in different markets.
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