These are the people I will invite to the first annual party to celebrate the availability of cost-effective time travel:

Cosimo de’ Medici (1389-1464)
Matteo Ricci SJ (1552-1610)
Thomas Harriott (1560-1621)
Robert Southwell SJ (c.1561-1595)
Kit Marlowe (1564-1593)
Henry Wriothesley (1573-1624)
Charles Diodati (c.1608-1638)
Shi Tao (1641-1720)
Nicolas Fatio de Duillier (1664-1753)
Johann Baptist Vanhal (1739-1813)
Edward Francisco Burney (1760-1848)
Alexander d’Arblay (1794-1837)
Eduard Rietz (1802-1832)
Louise Farrenc (1804-1875)
Juan Crisóstomo Jacobo Antonio de Arriaga y Balzola (1806-1826)
Felix Mendelssohn (1809-1847)
Arthur Hallam (1811-1833)
Matthew Piers Watt Boulton (1820-1894)
Henry Horton McBurney (1843-1875)
Marian “Clover” Hooper Adams (1843-1885)
Lafcadio Hearn (1850-1904)
Wolcott Balestier (1861-1891)
Warwick Potter (1870-1893)
Joseph Trumbull Stickney (1874-1904)
Jan Letzel (1880-1925)
Isaak Butkow (1909-1938)
David Kammerer (1911-1944)
John Medill McCormick (1916-1938)
Lucien Carr (1925-2005)
Christophe Bertrand (1981-2010)