- California Institute of Technology11
- Physicists--American--California--Pasadena4
- Education3
- Physics--California--Pasadena3
- Automobiles--American--California--Pasadena2
- Biologists--American--California--Pasadena2
- Bridges, Calvin Blackman, 1889-19382
- Cameras2
- Electronic apparatus & appliances2
- Millikan, Robert Andrews, 1868-19532
- Particle accelerators--California--Pasadena2
- Research facilities--California--Pasadena2
- Science2
- Scientific equipment--California--Pasadena2
- Stephens, William Edwards, 1912-19802
- Balch, Allan Christopher, 1864-19431
- Ballard, Russell H. (Russell Henry), 1875-19321
- Beard, Charles A. (Charles Austin), 1874-19481
- Becker, Joseph A., 1867-19611
- Einstein, Albert, 1879-19551