I (as in Jacobean era) Jacobian – Carl Gustav Jacobi (as in Jacobian matrix) Jacobite – King James II (as in Jacobitism) Jagiellonian – Władysław II Jagiełło (as in Jagiellonian dynasty) Japhetic – Japheth (as in Japhetic theory) Jeffersonian – Thomas Jefferson (as in Jeffersonian democracy) Johannine – Saint John the Evangelist (as in Johannine literature) Johnsonian – Samuel Johnson Jordanesque – Michael Jordan (usually denotes remarkable athletic achievement or dominance) Josephite – Saint Joseph (as in Josephite Marriage or Josephite Fathers) jovial – Jove/Jupiter, of Roman mythology; also Jovian Joycean – James Joyce (as in Pre-Joycean Fellowship) Julian – Julius Caesar (as in Julian calendar) Jungian – Carl Jung (as in Jungian psychology) Junoesque – Juno, of Roman mythology Justinianic – Justinian I Juvenalian – Juvenal (as in Juvenalian satire) K–M Kafkaesque – Franz Kafka Kantian – Immanuel Kant Keatsian – John Keats Kemalist – Kemal Atatürk Kennedyesque – John F. Kennedy Keynesian – John Maynard Keynes (as in Keynesian economics) Kierkegaardian – Søren Kierkegaard Kirbyesque – Jack Kirby Kubrickian – Stanley Kubrick Lacanian – Jacques Lacan (as in Lacanian psychoanalysis) Lagrangian – Joseph-Louis Lagrange (as in Lagrangian point) Lamarckian – Jean-Baptiste Lamarck (as in Lamarckian evolution) Landian – Nick Land Laplacian – Pierre-Simon Laplace (as in Laplacian field, Laplacian matrix) Levitical – Levi (as in Levitical Priesthood) Leibnizian – Gottfried Leibniz (as in Leibnizian calculus) Leninist – Vladimir Lenin Lilian – Aloysius Lilius (as in Lilian date) Linnaean – Carl Linnaeus (as in Linnaean taxonomy) Lincolnesque – Abraham Lincoln; also Lincolnian Lisztian – Franz Liszt Lockean – John Locke Lorentzian – Hendrik Lorentz (as in Lorentzian function) Lovecraftian – H. P. Lovecraft (as in Lovecraftian horror) Lucan – Saint Luke the Evangelist (as in Lucan Theology) Lucasian – Henry Lucas (as in Lucasian Professor) Luddite – Ned Ludd Lullian – Ramon Llull (as in Lullian art); also Llullian Lumleian – John Lumley, 1st Baron Lumley (as in Lumleian Lectures) Lutheran – Martin Luther Lynchian – David Lynch macadamized – John Loudon McAdam (as in macadamized system) Maccabean – Judas Maccabeus (as in Maccabean revolt) MacGyverian – Angus MacGyver Machiavellian – Niccolò Machiavelli MacIntyrean – Alasdair MacIntyre (as in MacIntyrean moral tradition) Madisonian – James Madison (as in Madisonian Model) Magellanic – Ferdinand Magellan (as in Magellanic Clouds) Mahlerian – Gustav Mahler Malpighian – Marcello Malpighi (as in Malpighian corpuscle) Malthusian – Thomas Malthus (as in Malthusian catastrophe) Manichaean