 Felisa Wolfe-Simon

Felisa Wolfe-Simon is an American microbial geobiologist and biogeochemist.In 2010, Wolfe-Simon led a team that discovered GFAJ-1, an extremophile bacterium that they claimed was capable of substituting arsenic for a small percentage of its phosphorus to sustain its growth, thus advancing the remarkable possibility of non-RNA/DNA-based genetics.