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  • Ralph S. Wolfe, who helped discover new domain of life, dies at 97

    Microbiologist Ralph Wolfe contributed to a study of microbes that led to the discovery of a third superkingdom, or domain, of life: the archaea.

    Microbiologist Ralph Wolfe contributed to a study of microbes that led to the discovery of a third superkingdom, or domain, of life: the archaea. Wolfe, a professor emeritus of microbiology at the University of Illinois, died March 26 in Urbana. He was 97.

    Graphic by Michael Vincent

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