He worked as a teacher from 1912 to the end of 1913 and subsequently at the Ethnographic Museum in Santiago de Chile with Max Uhle until 1922, becoming a head of department in 1918.
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He was one of the most notable anthropologists in Chile in the first half of the 20th century, together with Max Uhle and Aureliano Oyarzún Navarro.
Following the initial work in the Cardiopulmonary Sciences laboratory, Beckett began to apply endoscopy in concert with radiography on the Max Uhle collection of mummies from Pachacamac Peru at the University of Pennsylvania in Philadelphia, Pennsylvania.
Max Roach | Max Martin | Mad Max | Max Ernst | Max Bygraves | Max Weber | Max Bruch | Max McLean | Max | Max Factor | Max Beckmann | Max Baucus | Max von Sydow | Max Reger | Max Beerbohm | Max Ophüls | Max Müller | Max Headroom | Max Bill | Peter Max | Max Reinhardt | Max Planck Society | Max Azria | Max Payne | Max Mosley | Max Mirnyi | Max Mallowan | Max Liebermann | Max Eastman | Max Born |
Excavations in Ica Province were carried on in the late nineteenth and early twentieth centuries by scholars such as Max Uhle, Julio C. Tello, Alfred L. Kroeber, William Duncan Strong and John Howland Rowe.