Metabolism” [11]. Before her death in 1948 Marjory Stephenson was elected
Fellow of the Royal Society; a Prize for Microbiology in her name was established
in 1955.
Fig. 2 Some reactions occurring in the methanogenic microbes. Although formate decomposes to
H 2 and CO 2 , it is not an intermediate in the methane production [8–10]
Fig. 3 Overview of the microbial cohort responsible for methane production from organic waste
of sugar beet factory in the dark silt of the River Ouse, Cambridge, 1920/1930s (Figure gifted from
Professor Thauer and modified to include stick structures of enzyme active sites.)
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