
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).

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).

Alberto Gutiérrez (1892–1945), Argentine surgeon who described the epidural “hanging drop” sign (1933) and founded Argentina’s anaesthesia journal.