Berthold Ernest Hadra was born in Prussia, in 1842; was educated at the Universities of Breslau and Berlin, where he spent five years in study; graduated at Berlin in 1866, and passed State examination in 1867; also passed Gymnasium at Brieg, in Siberia. He served as Assistant Surgeon in the Prussian army, and was in the Franco-German war in 1866.

             In 1870 he immigrated to Texas and located at Houston, thence he removed to Austin, thence to San Antonio. During his residence in San Antonio he was appointed a member of the Board of Regents of the Texas University, and served several years. He does mostly a surgical and gynecological practice, and is the author of a work on "Lesions of the Pelvic Floor and Vagina," a book which has been favorably received by the medical profession and highly commended by the medical press. He is a member of the Texas State Medical Association, and was Chairman of its Section on Surgery in 1888-9, making a report at the Twenty-first Annual Session, at San Antonio, April, 1889. The subject was, "How far should Abdominal Surgery be within the grasp of the General Practitioner and how he can best acquire the necessary aptitude?" The paper was received, a vote of thanks tendered the author, and the publishing committee was instructed to publish it in the Transactions. He is also a member of the Galveston Medical Club and of the West Texas District Medical Association, Travis County Medical Society, etc.; also of the American Medical Association, and the Southern Surgical and Gynecological Association. Of the latter mentioned organization he is First Vice-President, having been elected at its last meeting.

             Dr. Hadra has written a considerable number of papers for the medical press. His best contributions have been published in Daniel's Texas Medical Journal, the New York Medical Record, American Journal of Obstetrics, Medical Register of Pennsylvania, Journal of the American Medical Association, New York Medical Journal, the Boston Medical Journal, etc., and in the Transactions Texas State Medical Association. He is Professor of Surgery in the Texas Medical College and Hospital at Galveston, having been chosen for that position on the organization of the school in 1888.