John Hnatyshyn 💼 Politician, lawyer John Hoben 💼 Rower John Hodgman 💼 Writer, comedian, television actor, film actor, presenter, podcaster John Hodiak 💼 Actor, screenwriter, stage actor, radio personality, film actor John Hoeven 💼 Politician, banker John Hopcroft 💼 Computer scientist, university teacher John Hopfield 💼 Physicist, biologist, molecular biologist, university teacher, artificial intelligence researcher, biophysicist, neuroscientist, computer scientist, psychologist John Horgan 💼 Politician John Horton Conway 💼 Mathematician, university teacher John Hospers 💼 Philosopher, university teacher, politician, writer, journalist, political scientist John Houbolt 💼 Military flight engineer, engineer John Houseman 💼 Film producer, film director, screenwriter, music educator, university teacher, stage actor, film actor, television actor, actor, television producer, theatrical producer John Howard 💼 Politician, autobiographer, lawyer, solicitor, historian John Howard Lawson 💼 Screenwriter, playwright John Howard Northrop 💼 Chemist, biochemist, scientist, university teacher John Howard Payne 💼 Diplomat, stage actor, writer, lyricist, songwriter, poet, playwright, translator, librettist John Howard Yoder 💼 Theologian, philosopher, university teacher, writer John Hoyt 💼 Screenwriter, teacher, stage actor, film actor, television actor, actor John Huchra 💼 Astronomer John Hughlings Jackson 💼 Neurologist, neuroscientist, physiologist, physician John Hume 💼 Politician John Hunyadi 💼 Condottiero, politician John Hurt 💼 Television actor, film actor, explorer, voice actor, character actor, stage actor, actor, video game actor John Huston 💼 Actor, film actor, film director, screenwriter, film producer, writer, character actor, director, producer, film screenwriter John I Albert 💼 Politician John I Tzimiskes 💼 Ruler John I of Aragon 💼 Ruler John I of Castile 💼 Warrior, politician John I of France 💼 Sovereign John I of Portugal 💼 Politician John I of Trebizond 💼 Ruler John I, Count of Hainaut 💼 Politician John I, Duke of Brabant 💼 Writer, politician, composer, poet John II (bishop of Jerusalem) 💼 Priest John II Casimir Vasa 💼 Catholic priest, monarch John II Komnenos 💼 Politician John II of Aragon 💼 Ruler John II of Castile 💼 Monarch John II of Cyprus 💼 Aristocrat John II of France 💼 Sovereign John II of Trebizond 💼 Monarch John III Doukas Vatatzes 💼 Sovereign John III Sobieski 💼 Military leader, politician, monarch John III of Navarre 💼 Ruler, king John III of Portugal 💼 Politician John III of Sweden 💼 Monarch John III of Trebizond 💼 Ruler John IV Doukas Laskaris 💼 Ruler John IV of Constantinople 💼 Presbyter John IV of Portugal 💼 Composer, sovereign, monarch John IV of Trebizond 💼 Sovereign John Ingle 💼 Actor, television actor, film actor, voice actor, teacher John Ireland 💼 Actor, screenwriter, film editor, stage actor, film actor, television actor, film director John Irving 💼 Novelist, screenwriter, writer John Isner 💼 Tennis player John J. Bowlen 💼 Politician, farmer John J. Crittenden 💼 Politician, lawyer John J. Kavelaars 💼 Astronomer John J. McCloy 💼 Politician, jurist, lawyer, banker, historian, army officer John J. Pershing 💼 Military officer, lawyer