- California Institute of Technology5
- Physicists--American--California--Pasadena✕[remove]5
- Physics--California--Pasadena3
- Millikan, Robert Andrews, 1868-19532
- Particle accelerators--California--Pasadena2
- Research facilities--California--Pasadena2
- Stephens, William Edwards, 1912-19802
- Becker, Joseph A., 1867-19611
- Gregg, Willis Ray, 1880-19381
- Igglesden, Charles, Sir, 1861-19491
- Journalists--British--California--Pasadena1
- Meteorology--California--Pasadena1
- Military officers--American--California--Pasadena1
- O'Brien, T.J., (Lieutenant)1
- Peace1
- Teachers--California--Pasadena1
- Thiessen, Alfred H., 1872-19561
- Tourists--California--Pasadena1
- Von Kármán, Theodore, 1881-19631
- Willett, Hurd C. (Hurd Curtis), 1903-1