Chapter IV: Foreword: 305

51. MICHAEL SCOT 307

52. WILLIAM OF AUVERGNE 338

53. THOMAS OF CANTIMPRÉ 372

54. BARTHOLOMEW OF ENGLAND 401

55. ROBERT GROSSETESTE 436

56. VINCENT OF BEAUVAIS 457

57. EARLY THIRTEENTH CENTURY MEDICINE: GILBERT OF
ENGLAND AND WILLIAM OF ENGLAND 477

58. PETRUS HISPANUS 488

59. ALBERTUS MAGNUS 517

I. Life 521
II. As a Scientist 528
III. His Allusions to Magic 548
IV. Marvelous Virtues in Nature 560
V. Attitude Toward Astrology 577

60. THOMAS AQUINAS 593

61. ROGER BACON 616

I. Life 619
II. Criticism of and Part in Medieval Learning 630
III. Experimental Science 649
IV. Attitude Toward Magic and Astrology 659

62. THE SPECULUM ASTRONOMIAE 692

63. THREE TREATISES ASCRIBED TO ALBERT 720

64. EXPERIMENTS AND SECRETS: MEDICAL AND BIOLOGICAL 751

65. EXPERIMENTS AND SECRETS: CHEMICAL AND MAGICAL 777

66. PICATRIX 813

67. GUIDO BONATTI AND BARTHOLOMEW OF PARMA 825

68. ARNALD OF VILLANOVA 841

69. RAYMOND LULL 862

70. PETER OF ABANO 874

71. CECCO D’ASCOLI 948

72. CONCLUSION 969

INDICES:

General 985
Bibliographical 1007
Manuscripts 1027