date_of_birth matthias flach 
George Ellery Hale ( June ___MASK90___ , ___MASK1___  February 21 , 1938 ) was an American solar astronomer , best known for his discovery of magnetic fields in sunspots , and as the leader or key figure in the planning or construction of several world - leading telescopes ; namely , the ___MASK21___ - inch refracting telescope at Yerkes Observatory , 60 - inch Hale reflecting telescope at Mount Wilson Observatory , 100 - inch Hooker reflecting telescope at Mount Wilson , and the 200 - inch Hale reflecting telescope at Palomar Observatory . The Association of American Universities ( AAU ) is an international organization of leading research universities devoted to maintaining a strong system of academic research and education . It consists of ___MASK62___ universities in the United States ( both public and private ) and two universities in Canada . Amos Gager Throop (; ___MASK27___  1894 ) was a businessman and politician in Chicago , Illinois during the 1840s and 1850s . Most famously he was known for being a staunch abolitionist prior to the Civil War . In Chicago he lost two campaigns to be that city ' s mayor in ___MASK55___ and ___MASK25___ . In both elections he was the nominee of the little - known Temperance Party , facing tough opposition from the Democratic Party . At the time of the Great Chicago Fire Amos was the city treasurer . He was instrumental in securing financing from New York to rebuild the wooden frontier town into a city of brick and mortar . Grateful Chicagoans renamed Main Street to Throop Street . Many years later and after moving to California , he was finally elected mayor  of Pasadena , California in 1888 . The California Institute of Technology ( abbreviated Caltech ) is a private doctorate - granting university located in Pasadena , California , United States . Although founded as a preparatory and vocational school by Amos G . Throop in ___MASK57___ , the college attracted influential scientists such as George Ellery Hale , Arthur Amos Noyes , and Robert Andrews Millikan in the early 20th century . The vocational and preparatory schools were disbanded and spun off in ___MASK80___ , and the college assumed its present name in ___MASK13___ . In 1934 , Caltech was elected to the Association of American Universities , and the antecedents of NASA ' s Jet Propulsion Laboratory , which Caltech continues to manage and operate , were established between ___MASK5___ and ___MASK29___ under Theodore von Kármán . The university is one among a small group of Institutes of Technology in the United States which is primarily devoted to the instruction of technical arts and applied sciences . Arthur Amos Noyes ( September 13 , ___MASK15___  June 3 , 1936 ) was a U . S . chemist , inventor and educator . He received a PhD . in 1890 at Leipzig under the guidance of Wilhelm Ostwald . Pasadena is a city in Los Angeles County , California , United States . As of ___MASK54___ , the estimated population of Pasadena was 139 , 731 , making it the 183rd - largest city in the United States . Pasadena is the ninth - largest city in Los Angeles County . Pasadena was incorporated on June 19 , ___MASK24___ , becoming only the second city to be incorporated in what is now Los Angeles County , after Los Angeles ( April ___MASK77___ , 1850 ). It is one of the primary cultural centers of the San Gabriel Valley . A vocational school , sometimes called a trade school or vocational college , is a post - secondary educational institution designed to provide vocational education , or technical skills required to perform the tasks of a particular and specific job . Vocational schools are traditionally distinguished from four - year colleges by their focus on job - specific training to students who are typically bound for one of the skilled trades , rather than providing academic training for students pursuing careers in a professional discipline . While many schools have largely adhered to this convention , the purely vocational focus of other trade schools began to shift in the 1990s " toward a broader preparation that develops the academic " as well as technical skills of their students . Australia . Vocational schools were called " technical colleges " in Australia , and there were more than ___MASK95___ schools specializing in vocational educational training ( VET ). Only four technical colleges remain , and these are now referred to as " trade colleges ". At these colleges , students complete a modified year 12 certificate and commence a school - based apprenticeship in a trade of their choice . There are two trade colleges in Queensland ; Brisbane , the Gold Coast , Australian Industry Trade College and one in Adelaide , Vergalargona rico , Technical College , and another in Perth , Australian Trades College . Matthias Flach is a German mathematician , professor and former executive officer for mathematics ( department chair ) at California Institute of Technology . Robert Andrews Millikan ( March ___MASK37___ , ___MASK1___  December 19 , ___MASK50___ ) was an American experimental physicist honored with the Nobel Prize for Physics in 1923 for the measurement of the elementary electronic charge and for his work on the photoelectric effect . Theodore von Kármán (; ___MASK28___ May 1881  6 May ___MASK10___ ) was a Hungarian - American mathematician , aerospace engineer , and physicist who was active primarily in the fields of aeronautics and astronautics . He is responsible for many key advances in aerodynamics , notably his work on supersonic and hypersonic airflow characterization . He is regarded as the outstanding aerodynamic theoretician of the twentieth century .