Gary Gruber

Gary R. Gruber was an American theoretical physicist, educator, and author who wrote books and software programs for test preparation. His work focused on test-taking and critical thinking skills. His writings included the Gruber's Complete Guide series as well as books and columns of brain teaser puzzles and other articles. He also worked with schools, school districts, state departments of education and other educational organizations in the development of testing and critical thinking skills and educational motivation programs. ^{Gary Gruber, author and expert on test-prep (d. 2019)}

19 November 1940

Born on the same birth day (19 November): Adam Driver • Barry Jenkins • Benjamin Chew • Bob Boone • Chris Eagles • Douglas Henshall • Eric Musselman • Eustache Le Sueur • Georg Hermann Quincke • Ibrahima Mbaye • Jack Dorsey • Jerry Sheindlin • Michael Wilbon • Penelope Leach • Phil Hughes (footballer) • Salil Chowdhury • Vincent Herring • Zach Collins

Born in the same month (November 1940): Amjad Khan (actor) • Antonio Skármeta • Chuck Mangione • Davey Graham • Denny Doherty • Donna McKechnie • Freddy Beras-Goico • Jim Bakken • Kotozakura Masakatsu I • Luis Tiant • Marlène Jobert • Paul Tagliabue • Quentin Skinner • Ramesh Chandra Lahoti • Reinhard Furrer • Ulf Pilgaard