Unformatted text preview: first nitrogen-fixing bacteria, sulfate-reducing bacteria, sulfur-oxidizing bacteria, green algae, and Lactobacillus ssp. Discovered viruses were filterable Winogradsky – First Mirobial Geochemist. Isolated the first nitrifying and hydrogen-oxidizing bacteria. Proposed and proved microbial autotrophy chemolithotrophy – get carbon from non-organic sources. Explain contribution of Norm Pace and Carl Woese. Pioneered the use of specific, shared, DNA sequences as a tool to identify and subsequently relate all living organisms. Revolutionized taxonomy and phylogeny of life. Proved Darwin’s concept of the unity of life via a “common ancestor.” Penicillin Alexander Fleming, Howard Florey, and Ernst Chain...
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- Spring '08