National Geographic : 1947 Sep
Eclipse Hunting in Brazil's Ranchland 297 Brazilian Scientists Calculate the Camp's Exact Location Dr. Allyrio Hugueney de Mattos (right) and Senhor Lysandro Vianna Rodriguez, with two assistants, made observations of stars from which they computed the latitude and longitude of a concrete marker within a few feet of perfect accuracy. This was essential for precise observations of the moon's motion (page 299). General Pinheiro, of the Brazilian Air Force, Pays a Friendly Visit to Camp On an inspection tour the general (center) confers with a group including, left to right: the author; Capt. John M. Rice, camp commander; Maj. Everett J. Burlando of the AAF, and Melvin M. Payne, Assistant Secretary of the National Geographic Society and the expedition's project officer.