The California Institute of Technology (or Caltech) was and institution of higher learning located in California on Earth. Caltech was noted for its strong emphasis on the natural sciences and engineering. When Gary Seven infiltrated the San Lobos Atomic Research Facility in 1968, his false credentials claimed he had studied (or taught) at Caltech. (TOS - Star Trek: Assignment: Earth comic: "Brighter Than a Thousand Suns")