Martin Zemla, PhD, research fellow at the Centre for Renaissance Texts, Palacky University, Olomouc, and head of the publishing department OIKOYMENH at the Institute of Philosophy, Prague. He has been working on German Mysticism, Renaissance Platonism and Paracelsianism.

• Introduction: Hagecius, a Renaissance Man - Martin Zemla, I. Medicine: Hajek's Lifelong Practice - Bohdana Divisova, II. Social Role: Physician in Renaissance Society - Zdenek Zalud, III. Botany: Mattioli, Handsch, and Hajek - Lucie Strnadova, IV. Astrology: The Hermetic Context of Hajek's Work - Vojtech Hladky, V. Metoposcopy: Cardano, Physiognomy, and the Signatura Rerum - Jakub Hlavacek, VI. Alchemy: The Czech Lands and Rudolfine Prague - Ivo Purs, VII. Chymiatry: Hajek's Way into Alchemy - Ivo Purs, VIII. Astronomy: New Cosmology and Lutheran Theology - Tomas Nejeschleba, Resume - Martin Zemla, Works of Tadeas Hajek, General Bibliography, Index, Note on the Authors.

Martin Zemla, PhD, research fellow at the Centre for Renaissance Texts, Palacky University, Olomouc, and head of the publishing department OIKOYMENH at the Institute of Philosophy, Prague. He has been working on German Mysticism, Renaissance Platonism and Paracelsianism.

• Introduction: Hagecius, a Renaissance Man - Martin Zemla, I. Medicine: Hajek's Lifelong Practice - Bohdana Divisova, II. Social Role: Physician in Renaissance Society - Zdenek Zalud, III. Botany: Mattioli, Handsch, and Hajek - Lucie Strnadova, IV. Astrology: The Hermetic Context of Hajek's Work - Vojtech Hladky, V. Metoposcopy: Cardano, Physiognomy, and the Signatura Rerum - Jakub Hlavacek, VI. Alchemy: The Czech Lands and Rudolfine Prague - Ivo Purs, VII. Chymiatry: Hajek's Way into Alchemy - Ivo Purs, VIII. Astronomy: New Cosmology and Lutheran Theology - Tomas Nejeschleba, Resume - Martin Zemla, Works of Tadeas Hajek, General Bibliography, Index, Note on the Authors.

Martin Zemla, PhD, research fellow at the Centre for Renaissance Texts, Palacky University, Olomouc, and head of the publishing department OIKOYMENH at the Institute of Philosophy, Prague. He has been working on German Mysticism, Renaissance Platonism and Paracelsianism.

• Introduction: Hagecius, a Renaissance Man - Martin Zemla, I. Medicine: Hajek's Lifelong Practice - Bohdana Divisova, II. Social Role: Physician in Renaissance Society - Zdenek Zalud, III. Botany: Mattioli, Handsch, and Hajek - Lucie Strnadova, IV. Astrology: The Hermetic Context of Hajek's Work - Vojtech Hladky, V. Metoposcopy: Cardano, Physiognomy, and the Signatura Rerum - Jakub Hlavacek, VI. Alchemy: The Czech Lands and Rudolfine Prague - Ivo Purs, VII. Chymiatry: Hajek's Way into Alchemy - Ivo Purs, VIII. Astronomy: New Cosmology and Lutheran Theology - Tomas Nejeschleba, Resume - Martin Zemla, Works of Tadeas Hajek, General Bibliography, Index, Note on the Authors.