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#OTD 1919 Ernst #Haeckel died. A German zoologist, naturalist, philosopher, physician, marine biologist, and artist. A &#039;towering figure in late-nineteenth-century biology&#039;. View many of his publications (free) via @BioDivLibrary https://t.co/tOMo0Ymela pic.twitter.com/WVMUc9Ojr1&#8212; NHM Library&#38;Archives (@NHM_Library) August 9, 2019 https://archivalia.tumblr.com/tagged/haeckel