Melvin Calvin : Tofauti kati ya masahihisho

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mbegu-mwanasayansi-USA
d Add image from http://tools.wikimedia.de/~emijrp/imagesforbio/
Mstari 1:
[[Picha:Melvin Calvin.jpg|thumb|right|Melvin Calvin]]
[[Image:Tuzo Nobel.png|left|80px]]