Everybody has to start somewhere.
It could be with a major in math, home economics, accounting, English, history, business, drama, engineering, psychology, biology or something else.
Undergraduate majors completed by some notable people include:
Cynthia Baldwin: former Pennsylvania Supreme Court justice; English, Penn State University.
Esther Bush: president and chief executive officer, Urban League of Pittsburgh; home economics, Morgan State University.
George W. Bush: U.S. president; history, Yale University.
Steve Carell: comedian and actor; history and theater, Denison University.
Michael Chabon: author; English writing, University of Pittsburgh.
Edmund Clarke: Carnegie Mellon University computer science professor who won the prestigious A.M. Turing Award for contributions to the computer field in 2007; mathematics, University of Virginia.
John Clayton: National Football League analyst and commentor for ESPN; journalism, Duquesne University.
Lynette Clemetson: managing editor for The Root, an online magazine of the Washington Post; English writing, University of Pittsburgh.
Jared Cohon: president of Carnegie Mellon University; civil engineering, University of Pennsylvania.
Marianne Cornetti: internationally known mezzo-soprano; music performance, Duquesne University.
Pat Croce: entrepreneur who founded Sports Physical Therapists and was president and minority owner of the Philadelphia 76ers basketball team; physical therapy, University of Pittsburgh.
Ted Danson: actor; drama, Carnegie Mellon University.
Michael Eisner: entertainment executive; English literature, Denison University.
Helen Faison: distinguished professor of education at Chatham University and former Pittsburgh Public Schools interim superintendent; education, University of Pittsburgh.
Tina Fey: writer and actress; drama, University of Virginia.
Jodie Foster: actress and director; English literature, Yale University.
Freddie Fu: orthopedic surgeon; biology, Dartmouth College.
Jennifer Garner: actress; theater, Denison University.
Floyd "Chip" Ganassi Jr.: retired race car driver and team owner of Chip Ganassi Racing; business administration, Duquesne University.
Hal Holbrook: actor; theater, Denison University.
Holly Hunter: actress; drama, Carnegie Mellon University
Chad Hurley: founder and CEO of YouTube; fine arts, Indiana University of Pennsylvania.
Mike James: former National Basketball Association player; psychology, Duquesne University.
Mae Jemison: first black woman in space; chemical engineering, Stanford University.
Alex Johnson: president of Community College of Allegheny County; intermediate education, Winston-Salem State University.
Dan Marino: sports commentator and retired Miami Dolphins quarterback; communication, University of Pittsburgh.
John McCain: U.S. Senator and Republican presidential candidate; bachelor of science, U.S. Naval Academy, which had no majors at the time.
Barbara Mistick: president and director of Carnegie Library of Pittsburgh; business administration, Carlow University.
Mark Nordenberg: University of Pittsburgh chancellor; mathematics, Thiel College.
Barack Obama: U.S. Senator and Democratic presidential candidate; political science, Columbia University.
Conan O'Brien: late-night TV talk show host; history and literature, Harvard University.
Sandra Day O'Connor: U.S. Supreme Court justice; economics, Stanford University.
Bill O'Reilly: TV and radio commentator; history, Marist College.
Paul O'Neill: former U.S. Treasury Secretary and former chairman and CEO of Alcoa; economics, Fresno State College.
Dan Onorato: Allegheny County executive; accounting, Penn State University.
Natalie Portman: actress; psychology, Harvard University.
Luke Ravenstahl: Pittsburgh mayor; business administration, Washington & Jefferson College.
Ed Rendell: governor of Pennsylvania; political science, University of Pennsylvania.
Condoleezza Rice: U.S. Secretary of State and national security adviser; political science, University of Denver.
Sally Ride: first American woman in space; physics and English, Stanford University.
Art Rooney II: Pittsburgh Steelers president; political science, University of Pittsburgh.
Dan Rooney: Pittsburgh Steelers owner and chairman; business administration, Duquesne University.
Mark Roosevelt: Pittsburgh Public Schools superintendent; American history, Harvard University.
Kristine Sorensen: KDKA-TV reporter/anchor; government major with a dance minor, College of William and Mary.
Jon Stewart: host of the Daily Show; psychology, College of William and Mary.
Bill Strickland: president and CEO, Manchester Bidwell Corp.; history, University of Pittsburgh.
John P. Surma: U.S. Steel chairman and CEO; accounting, Penn State University.
Mike Tomlin: Pittsburgh Steelers coach; sociology, College of William and Mary.
Donald Trump: real estate developer; economics, University of Pennsylvania.
Blair Underwood: actor; drama, Carnegie Mellon University.
Bobby Vinton: singer; music education, Duquesne University.
Cyril Wecht: forensic pathologist and lawyer; pre-med, University of Pittsburgh.
Oprah Winfrey: TV host; speech and drama, Tennessee State University.
Sigourney Weaver: actress; English, Stanford University.
David A. Zubik: bishop of the Diocese of Pittsburgh; classics, Duquesne University.
-- Compiled by Eleanor Chute