Orazio Grassi (1583–1654), Italian mathematician, astronomer, and architect Richard Grenville of England (1600–1658), Anglo-Cornish soldier, Member of Parliament, and future Baronet and Royalist Commander Fulke Greville, 1st Baron Brooke of England (1554–1628), nobleman, statesman, and writer Hugo Grotius of the Netherlands (1583–1645), philosopher and writer Jan Gruter of the Netherlands (1560–1627), scholar Mario Guiducci of Tuscany (1585–1646), lawyer and associate of Galileo Galilei during the dispute with Orazio Grassi Jean Guiton of France (1585–1654), Huguenot rebel and Admiral Edmund Gunter of England (1581–1626), mathematician John Guy (?-1629), former governor of Newfoundland and current Member of the Parliament of England Gaspar de Guzmán, Count-Duke of Olivares of Spain (1587–1645), nobleman and Chief Minister under Philip III and Philip IV, held position 1618–1643 John Hampden of England (1595–1643), Member of Parliament and future Parliamentarian commander during the English Civil War Kryštof Harant of Bohemia (1564–1621), nobleman, traveller, humanist, soldier, writer and composer William Harvey of England (1578–1657), physician who discovered the systematic circulation of blood Hasekura Tsunenaga of Japan (1571–1622), diplomat Richard Hawkins of England (1562–1622), explorer and privateer George Hay, 1st Earl of Kinnoull of Scotland (1572–1634), nobleman, judge and Lord Chancellor of Scotland, held position (as chancellor) 1622–1634 James Hay, 1st Earl of Carlisle of Scotland (c.1590–1636), nobleman and diplomat Piet Pieterszoon Hein of the Netherlands (1577–1629), Vice-Admiral of the Dutch West India Company Henrietta Maria of France (1609–1669), French princess and Queen Consort of England-Wales and Scotland Edward Herbert, 1st Baron Herbert of Cherbury of Wales (1583–1648), diplomat, poet, and philosopher George Herbert of Wales (1593–1633), poet, orator and Anglican priest Philip Herbert of England (1584–1649), nobleman (future Earl of Pembroke) and politician William Herbert, 3rd Earl of Pembroke of England (1580–1630), nobleman, Lord Lieutenant of Cornwall County and Chancellor of the University of Oxford, held position 1601-1630 (as Earl), 1604-1630 (as Lord Lietuent) and 1616-1630 (as Chancellor) Antonio de Herrera y Tordesillas of Spain (1559–1625), historian Thomas Heywood of England (1570?-1641), playwright, actor, and author Thomas Hobbes of England (1588–1679), philosopher Heinrich Holk (1599–1633) Danish-German mercenary and commander Henricus Hondius II of the Netherlands (1597–1651), cartographer and publisher Isaiah Horowitz (1565–1630), Rabbi and Jewish mystic Thomas Howard, 1st Earl of Berkshire of England (1587–1669), nobleman Constantijn Huygens of the Netherlands (1596–1687), poet, composer, and secretary under Stadtholders Frederick Henry and William II Im Gyeong Eop of Korea (1594–1646), general Sigismondo d'India (1582–1629), Italian composer Nicholas Iquan (AKA Zheng