1952
Hans Merensky, South African geologist and philanthropist (born 1871)
Hans Merensky, South African geologist and philanthropist (born 1871)
Hans Merensky, South African geologist and philanthropist (born 1871)
South African geologist, conservationist & philanthropist
Hans Merensky, South African geologist and philanthropist (born 1871)
Hans Merensky, South African geologist and philanthropist (born 1871)