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George John Ehni, MD was a neurosurgeon who practiced in Houston from 1949-1986. During 1959-1979 he was chairman of the division of neurosurgery at Baylor College of Medicine. Born in 1914 in Pekin, Ill, Dr. Ehni was a 1939 graduate of Northwestern University Medical School in Chicago. He served an internship at Cincinnati (Ohio) General Hospital (July 1939-1940) and a residency at the Mayo Foundation in Rochester, Minn (July 1940-1944). During World War II, Dr. Ehni served in the US Navy. In 1946 he moved to Temple and established the department of neurosurgery at Scott and White Clinic. He moved to Houston in 1949. Dr. Ehni was a past president of the Neurosurgical Society of America, the Southern Neurosurgical Society, and the International Society for Study of the Lumbar Spine. He died September 2, 1986 at the age of 72.

[Source: Obituary, Texas Medicine, January 1987, p.82]

James Greenwood Jr. was born on July 19, 1907, in Seguin, Texas. He received a B.A. degree from the Rice Institute in 1927 and an M.D. degree from UTMB in Galveston in 1931. He interned at the Philadelphia General Hospital before returning to Houston and serving as Chairman of the Division of Neurosurgery at the Methodist Hospital from 1936 to 1980. He began teaching at Baylor College of Medicine in 1943 and was active in many medical societies as well as an organizing member of the Houston Surgical Society. He was the first neurosurgeon in Houston and the Southwest United States. An innovator in his field, he invented the bipolar coagulation forceps and developed bipolar electrocoagulation, which enabled surgeons to staunch bleeding while irrigating incisions to prevent tissue from overheating and incurring more damage. He was the first neurosurgeon in the world to successfully remove intramedullary spinal cord tumors. He died July 3, 1993, in Houston, Texas.