Oral B. Crawford
Oral Bascom Crawford Jr (1921–2008), American anesthesiologist. Early advocate of thoracic epidural anesthesia, inventor of the Crawford needle, and prilocaine investigator.
Tag hanging drop
Alberto Gutierrez
Alberto Gutiérrez (1892–1945), Argentine surgeon who described the epidural “hanging drop” sign (1933) and founded Argentina’s anaesthesia journal.
Angelo L. Soresi
Angelo Luigi Soresi (1877–1951), Italian-born American surgeon who described peridural (epidural) anaesthesia and an early “hanging drop” endpoint for locating the epidural space (1932).