G Galen, [52], [53] Galileo, Galilei, [134], [141], [160] Genoa, [143] Geocentric theory, see Ptolemaic theory Geography, [18], [19] Geology, [103], [104] Geometry, [91], [134] Georg, [131], [133], [140], [143], [145] Geotropism, [79] Germany, [47], [69] Ghirlandaio, Domenico di Tommaso del, [33] Giocondo, Francesco del, [98] Giovanni “the Piper,” [100] Gonzaga, Francesco, [86] Gothic tradition, [50] Gravity, [140], [141] Greeks, the, [69] Guido, [23] Guild, [19]

H Hadrian, Emperor, [130] Harvey, William, [126], [160] Heavens, observation of, [80] Heliocentric theory, [48], [81] Heliotropism, [79] Highmore, [53] Hippocrates, [52] Holy Roman Empire, [9] Hooke, Robert, [141] Horse, anatomy of the, [41] Hydraulic pump, [74], [122], [123] Hydraulics, [14] Hydrodynamics, [141] Hygrometer, [30], [31]

I Imola, [95], [96] Inclination gauge, [66], [67] India, [18] Introduction to Perspective, or the Function of the Eye, [58] Inventions, [25]-27, [38]-40 Irradiation, [55] Irrigation, [101] Isabella of Aragon, [51] Isonzo river, [88] Istanbul, see Constantinople

J Johannes, [133], [143], [145] Judas, [74], [77], [78]

K King Charles VIII, [67]-69, [78], [82], [120], [148]

L Lake Como, [125] Lamps, [59] Lanfredini, Francesca, [2], [7] “Last Supper,” [30], [72], [74], [77], [92], [99], [138] League of Cambria, [124] Leghorn, [100] Leibig, [41] Leonardo da Vinci, and the Church, [18], [48], [104], [145] birth of, [2] death of, [157] early years of, [1]-8 illness of, [142], [150] moves to Florence, [10] notebooks of, [25], [29], [140], [152], [159], [160] Levite, [118] Light and Shade, [54] Lighting, [59] Lilienthal, Otto, [100] Livoli river, [139] Loches, [92] Loire river, [147], [149], [152] Lombardy, [37], [62], [78], [82], [83], [121],148 Louis XII (of Orleans), [78], [82], [92], [94], [114], [116], [119], [124], [142], [157] Louvre, the, [44] Lucullus, [130] Lyons, [152] Lyre, silver, [34], [35]

M Machiavelli, Niccolò, [96], [100], [102], [106], [109] Machine gun, [27] Machinery, improvement of, [16] Madonna Lisa, see Mona Lisa Malaria, [139] Mandeville, Sir John, [103] Manenti, [88] Mantua, [84], [86], [87] Mapmaking, [19], [93], [95], [96], [100], [101] Martelli, Piero, [118] Martini, Francesco di Giorgio, [58] Martino river, [139] Mathurine, [156], [157] Maximilian I, [64] Medici, Giovanni de’, [130] Medici, Giuliano de’, [21], [130], [132], [138]-146 Medici, Lorenzo de’, [16], [21], [26], [27], [29], [35], [39], [127], [130], [132], [146], [153] Medici, Piero de’, [10], [16] Medicis, the, [10], [21], [23], [26], [27], [33], [34], [68], [130], [131], [140], [142], [146] Melzi, Francesco de’, [117], [128], [130], [140], [142], [145], [150], [155], [157], [158] Michelangelo, [106], [107], [113], [131], [137], [144], [145] Middle Ages, [81], [104] Migliorotti, Atalante, [35]-38, [87] Milan, [9], [33]-48, [60], [64], [68], [78], [82], [83], [85], [95], [114]-128, [143], [144] Milan cathedral, [50] Military, defenses, [88], [89] machines, [25]-27, [33], [38]-40 Millstones, [75] Mitre valve, [123] Mirrors, [133] “Mona Lisa,” [99], [103] Monferrato, [62] Monte Albano, [1], [2], [5] Monte Cecero, [113] Montorfano, [72] Muscles, [109], [119] Music, [34], [35]

N Naples, [9], [27], [68], [69] Needle sharpener, [75] Netherlands, the, [95] Newton, Isaac, [24], [56], [123], [141], [160] Newton’s First Law of Motion, [123] Newton’s law of gravitation, [83] Notes, [14] Novara, battle of, [92]

O Odometer, [69] Oggionno, Marco d’, [58] Orient, the, [89] Ornithopter, [111], [112]

P Pacioli, Fra Luca, [76], [77], [80], [84], [86]-91, [133] Padua, [125] Painting, [4]-7, [29]-32, [43], [44], [71], [72], [91], [99], [105], [110], [112] Palatine hill, [135] Palazzo della Signoria, [12], [21]-25, [103] Palazzo Vecchio, [12] Parachute, [71] Paris, [44] Parma, [138] Pater, Walter, [161] Pavia, [51], [58], [125] Pazzi conspiracy, [21], [23], [25] Pazzi, Francesco de’, [23] Pera, [95] “Periscope,” the, [89] Perugia, [96] Perugino, Pietro, [13], [33], [107] Pesaro, [93] Peschiera, [124] Pharisee, [118] Philiberta, [142] Phyllotaxis, [79] Physics, [17] Piazzetta, the, [87] Pincio hill, [130] Piombino, [93], [139], [154] Pisa, [25], [100]-102, [110] Pitti Palace, [31] Plague, see Bubonic plague Plants, study of, [79], [80] Platonic school, [54] Pliny, [23] Plutarch, [81] Pollaiuolo, [53] Ponte Vecchio, [31] Pontine marshes, [139], [154] Pope Alexander VI, [82], [92], [102] Pope Innocent VIII, [63] Pope Julius II, [124], [127], [128], [130], [131] Pope Leo X, [130]-132, [139], [142]-146, [153] Pope Sixtus IV, [21], [33] Porta del Popolo, [129] Porta Romana, [29] Porta Vercellina, [79], [115] Porto Cesanatico, [94] Portugal, [26] Predis, Bernardino de, [47] Predis, Giovanni Ambrogio de, [43], [44], [47], [56] Ptolemaic theory, [48] Ptolemy, [23], [54], [103]