Melissa G. Trainer (b. April 22, 1978 in Philadelphia, Pennsylvania) is an astrobiologist who in 2004 demonstrated empirically that life could have formed on Earth through the interaction of methane, carbon dioxide and ultraviolet light (sunlight), fundamentally revising fifty years of theory about the origins of life. Wikipedia
The definitive Wikipedia entry for Melissa Trainer. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Melissa_Trainer