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The GFP team. (Upper Left) Douglas Prasher cloned the gfp cDNA. (Upper Right) Ghia Euskirchen expressed the cDNA in E. coli. (Lower Left) Yuan Tu expressed the cDNA in C. elegans. (Lower Right) Bill Ward compared the excitation and emission spectra of the native and recombinant GFP. (Photo credits: Prasher and Ward provided their own photos; M. Chalfie took the photos of Euskirchen and Tu.)
