Robert A. Millikan was an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 experimental physicist

Physics

Physics is a natural science that involves the study of matter and its motion through spacetime, along with related concepts such as energy and force. More broadly, it is the general analysis of nature, conducted in order to understand how the universe behaves.Physics is one of the oldest academic...

, and Nobel laureate in physics for his measurement of the charge on the electron

Electron

The electron is a subatomic particle with a negative elementary electric charge. It has no known components or substructure; in other words, it is generally thought to be an elementary particle. An electron has a mass that is approximately 1/1836 that of the proton...

 and for his work on the photoelectric effect

Photoelectric effect

In the photoelectric effect, electrons are emitted from matter as a consequence of their absorption of energy from electromagnetic radiation of very short wavelength, such as visible or ultraviolet light. Electrons emitted in this manner may be referred to as photoelectrons...

. He served as president of Caltech from 1921 to 1945. He also served on the board of trustees for Science Service, now known as Society for Science & the Public

Society for Science & the Public

Society for Science & the Public , formerly known as Science Service, is a 5013 non-profit organization dedicated to the promotion of science, through its science education programs and publications, including the weekly Science News magazine.Headquartered in Washington, D.C., the organization...

, from 1921-1953.
Millikan went to high school in Maquoketa, Iowa

Maquoketa, Iowa

Maquoketa is a city in Clinton and Jackson counties in the U.S. state of Iowa. Located on the Maquoketa River, it is the county seat of Jackson County....

. Millikan received a Bachelor's degree

Bachelor's degree

A bachelor's degree is usually an academic degree awarded for an undergraduate course or major that generally lasts for three or four years, but can range anywhere from two to six years depending on the region of the world...

 in the classics

Classics

Classics is the branch of the Humanities comprising the languages, literature, philosophy, history, art, archaeology and other culture of the ancient Mediterranean world ; especially Ancient Greece and Ancient Rome during Classical Antiquity Classics (sometimes encompassing Classical Studies or...

 from Oberlin College

Oberlin College

Oberlin College is a private liberal arts college in Oberlin, Ohio, noteworthy for having been the first American institution of higher learning to regularly admit female and black students. Connected to the college is the Oberlin Conservatory of Music, the oldest continuously operating...

 in 1891 and his doctorate

Doctor of Philosophy

Doctor of Philosophy, abbreviated as Ph.D., PhD, D.Phil., or DPhil , in English-speaking countries, is a postgraduate academic degree awarded by universities...

 in physics

Physics

Physics is a natural science that involves the study of matter and its motion through spacetime, along with related concepts such as energy and force. More broadly, it is the general analysis of nature, conducted in order to understand how the universe behaves.Physics is one of the oldest academic...

 from Columbia University

Columbia University

Columbia University in the City of New York is a private, Ivy League university in Manhattan, New York City. Columbia is the oldest institution of higher learning in the state of New York, the fifth oldest in the United States, and one of the country's nine Colonial Colleges founded before the...

 in 1895 – he was the first to earn a Ph.D.