1961
Cristóbal de Losada y Puga, Peruvian mathematician (born 1894)
Cristóbal de Losada y Puga, Peruvian mathematician (born 1894)
Cristóbal de Losada y Puga, Peruvian mathematician (born 1894)
Cristóbal de Losada y Puga, Peruvian mathematician (born 1894)
Cristóbal de Losada y Puga, Peruvian mathematician (born 1894)