![](https://res.cloudinary.com/mitmuseum/image/upload/t_800/media-internal/GCP-00004410.jpg)
Ernst Adolph Guillemin and Manuel Cerrillo-Valdivia, 1949
![](https://res.cloudinary.com/mitmuseum/image/upload/t_800/media-internal/GCP-00009474.jpg)
Description
Ernst Adolph Guillemin, left, and Manuel Cerrillo-Valdivia review data in an office. Original caption: "Dr. E. A. Guillemin, Professor of Electrical Engineering (left), and Dr. M. V. Cerrillo in the Research Laboratory of Electronics at the Massachusetts Institute of Technology."