German botanist and bacteriologist. Recognised as a privatdozent at the University of Breslau; extraordinary professor, 1859; ordinary professor, 1872. Founded the first institute for plant physiology, at Breslau, in 1866. Worked on unicellular algae, and argued for the identity of the contractile contents of plant and animal cells. Foreign member, Royal Society, 1897.
Sources: DSB NDB
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