largest sources of LSD at the time. Nearly the entire senior class was expelled when the FBI invaded the house (only three seniors are mentioned in the yearbook from 1970), though folklore also holds that the perpetrators escaped capture, leaving only a teasing banner for the invaders reading "Welcome, FBI!" Notable former Lloydies include: Cleve Moler (1961) – inventor of Matlab and one of the original Lloydies (having been "transferred" there from Ricketts House) Douglas Osheroff (1967) – Nobel Prize in Physics (1996) for discovery of superfluidity in Helium-3 Steven E. Koonin (1972) – physicist, Caltech Provost, United States Under Secretary of Energy for Science David Brin (1973) – astronomer and science-fiction writer Richard Lyon (1974) – inventor Kenneth Suslick (1974) – chemist Paul Steinhardt (1974) – physicist; winner of Dirac Medal and numerous other prestigious awards Joseph Kirschvink (1975) – Nico and Marilyn Van Wingen Professor of Geobiology at Caltech Taras Kiceniuk Jr. (1977) – hang-gliding pioneer Nathan Lewis (1977) – George L. Argyros Professor of Chemistry at Caltech Gary W. Cox (1978) – political scientist; one of only three political scientists to have won twice the George H. Hallett Award Schelte J. Bus (1979) – astronomer Adam Weissman (1990) – co-founder of Applied Semantics, which was bought by Google and became AdSense Gil Elbaz (1991) – co-founder of Applied Semantics Adam D'Angelo (2006) – founder of Quora and early Facebook CTO Page House Upon the construction of the north houses in the 1960s, members of Ricketts house splintered off to populate the newly constructed Page House. Members of the house are known as Pageboys (even the women), and the house crest includes the "mechanical horse" with a banner reading spe labor levis, a Latin idiom meaning "May the work be light" (and is often followed by "And the drinks be heavy"). House construction was funded by J.R. Page, former vice president of the First National Bank in Los Angeles, and chairman of the Caltech board of trustees from 1943 to 1954. One of the largest houses, Page has been home to KCAL, the Interhouse Roller Coaster. It also used its access to the basement so that Pageboys could cover the concrete with dry ice, a prank copied in the movie Real Genius. In response to other houses quixotically claiming certain items to be off-limits in regard to pranks (rendering them "Non-RF-able"), the Page House president at the time