One has to devote oneself to a particular pursuit. To be successful at anything, you have to make a total commitment to it.-- Donald Johanson
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Name: Donald Johanson Type: Scientist Nationality: American Birth: June 28, 1943 |
One has to devote oneself to a particular pursuit. To be successful at anything, you have to make a total commitment to it.-- Donald Johanson
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Name: Donald Johanson Type: Scientist Nationality: American Birth: June 28, 1943 |