An expert on the history of modern pharmacology and drug therapy, Parascandola brings together nineteen of his most important papers. The first group of articles, devoted to pharmacological theory, shed new light on the history of such key pharmacological concepts as receptor theory, structure-activity relationships and the role of stereochemistry in physiological action. The second section focuses on the discipline of pharmacology and offers insights into the pivotal role played by John J. Abel in the shaping of the field, and the relationship between academic and industrial pharmacology. The final section on drug therapy discusses