Human beings, each considered as a single actor within society
  • Salerno, Joseph T. - American economist of the Austrian school, professor at Pace University
  • Say, Jean-Baptiste - 18th-19th century French economist
  • Schiff, Irwin A. - American author, tax protester, 1996 Libertarian Party presidential aspirant
  • Scholl, Hans - Member of the White Rose resistance group in Nazi Germany
  • Scholl, Sophie - Member of the White Rose resistance group in Nazi Germany
  • Schoolland, Ken - Professor of Economics and Political Science, author
  • Schulman, J. Neil - American science fiction writer, winner of Prometheus Best Novel and Hall of Fame awards
  • Schumpeter, Joseph Alois - 20th century Austrian economist
  • Sciabarra, Chris Matthew - Politics scholar at New York University, editor of The Journal of Ayn Rand Studies
  • Scientists - Researchers of the natural sciences
  • Selleck, Tom - Film and TV actor, starred in TV series "Magnum, P.I."
  • Sellers, Peter - British comedian and actor, best known as the original Inspector Cloiseau
  • Senior, Nassau William - Nineteenth century English economist
  • Sennholz, Hans F. - German-American economist of the Austrian School
  • Shaffer, Butler - Professor of law at Southwestern University
  • Shaw, Sandy - Expert in anti-aging research and brain biochemistry
  • Shermer, Michael - Founding publisher of Skeptic magazine, Executive Director of the Skeptics Society
  • Sidney, Algernon - 17th century British Member of Parliament
  • Simmons, Randy T. - Political science professor, Mayor of Providence, Utah
  • Simon, Julian L. - Professor of Business Administration, author
  • Sirico, Robert A., Rev. - Co-founder and President of the Acton Institute for the Study of Religion and Liberty
  • Skousen, Mark - Author, investment advisor, professor of Economics
  • Slagle, Tim - Political satirist and stand-up comic
  • Slampyak, Ted - Comic strip artist, creator of the Jazz Age Chronicles, currently drawing the "Annie" strip
  • Smith, Adam - Eighteenth century Scottish economist, author of The Wealth of Nations
  • Smith, Fred L., Jr. - President and founder of the Competitive Enterprise Institute
  • Smith, George H. - Writer, author of Why Atheism?
  • Smith, L. Neil - American science fiction writer, three-time winner of the Prometheus Best Novel Award
  • Smith, Vernon L. - 2002 Nobel Prize winner in Economic Sciences
  • Snow, Tony - Host of the "Tony Snow Show" on Fox News Radio
  • Sobran, Joseph - Nationally syndicated columnist, past Senior Editor for National Review
  • Sociologists - Students of society and social institutions
  • Software Engineers - Designers, implementers and testers of computer software
  • Sommers, Christina Hoff - Former philosophy professor, author of Who Stole Feminism?
  • Soos, Troy - American writer, author of the Mickey Rawlings historical baseball mysteries
  • Sowell, Thomas - Author, syndicated columnist, fellow at the Hoover Institution
  • Spencer, Herbert - 19th century English philosopher
  • Spielberg, Steven - American movie director and producer, Oscar winner for Schindler's List and Saving Private Ryan
  • Spooner, Lysander - Lawyer, abolitionist, entrepreneur, legal theorist and political radical
  • Stanhope, Doug - American stand-up comic, host of "The Man Show"
  • Stephan, Doug - Nationally syndicated radio host of the "Doug Stephan's Good Day" show
  • Stern, Howard - "The King of All Media"
  • Stigler, George J. - 20th century American economist, winner of the 1982 Nobel Prize in economics
  • Stossel, John - Host of "Stossel" show on Fox Business channel and former ABC News correspondent for the "20/20" newsmagazine
  • Stromberg, Joseph R. - Historian, research fellow at The Independent Institute
  • Sullum, Jacob - Senior editor of Reason, nationally syndicated columnist
  • Sumner, William Graham - Nineteenth century professor of political and social science at Yale University
  • Suprynowicz, Vin - Assistant Editorial Page Editor at the Las Vegas Review-Journal, syndicated columnist
  • Sykes, Charles J. - Author, radio talk show host at WTMJ in Milwaukee, Wisconsin
  • Szasz, Thomas - Psychiatry professor and author