Thyroid Physiology.-Emil Theodor Kocher -- Karl von Basedow -- Jan Wolff and Israel L. Chaikoff -- Hyperthyroidism and Thyroiditis.-Robert James Graves.-Henry Stanley Plummer -- Hakaru Hashimoto -- Fritz de Quervain -- George W. Crile -- Multinodular Goiter -- Hugh Spear Pemberton -- Medullary Thyroid Carcinoma -- John Richard Farndon -- Well Differentiated Thyroid Cancer:  Papillary, Follicular, and Oncocytic -- Karl Hürthle -- Update of the Treatment Guidelines for Well-Differentiated Thyroid Cancer -- Frank Lahey.- Thomas Dunhill -- Primary Hyperparathyroidism: Diagnosis and Work Up -- Sir Richard Owen -- Fuller Albright James Bertram Collip -- Surgical Management of Hyperparathyroidism -- Felix Mandl -- Oliver Cope -- Parathyroidectomy - Post-Operative Considerations / Complications -- František Chvostek -- Armand Trousseau -- Theodor Billroth -- Adrenal Physiology -- Thomas Addison -- Primary Aldosteronism -- Jerome W. Conn -- Cushing's Syndrome -- Harvey Cushing -- J. Aidan Carney -- Pheochromocytoma and Paraganglioma -- Charles Horace Mayo -- Arthur M. Shipley -- Emil Zuckerkandl -- Insulinoma -- Sir Fredrick Grant Banting -- Charles Herbert Best -- Allen Oldfather Whipple -- William J. Mayo -- Gastrinoma -- Robert Milton Zollinger -- Edwin H. Ellison -- VIPoma -- John V. Verner Jr. and Ashton B. Morrison -- Glucagonoma -- Small Bowel Neuroendocrine Tumors -- Carcinoid Syndrome -- Sigfried Oberndorfer -- von Hippel-Lindau Disease -- Eugen von Hippel and Arvid Lindau -- Multiple Endocrine Neoplasia Type 1 -- Paul Wermer -- Norman W. Thompson -- Multiple Endocrine Neoplasia 2 Syndromes -- John H. Sipple.