Antonio Moreno, Pantaleón Sánchez, and Helmut Hils, 1953, May 22, 1953, Smithsonian Archives - History Div, Image of Antonio Moreno, Pantaleón Sánchez, Helmut Hils [left to right] in Río de Jesús, Veraguas, Panama. The three men are standing by an Army jeep. The image was taken by Smithsonian Secretary Alexander Wetmore on May 22, 1953, during an ornithological expedition to Panama. The three men assisted Wetmore on his expedition..