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

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

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).