“A cell is a complex structure, with its investing membrane, nucleus, and nucleolus.”
Charles Darwin (1809–1882) British naturalist, author of "On the origin of species, by means of natural selection"
"Pangenesis -- Mr. Darwin's Reply to Professor Delpino" Scientific Opinion (20 October 1869) page 426 http://darwin-online.org.uk/content/frameset?pageseq=1&itemID=F1748b&viewtype=image <br class="br">Detractors sometimes claim Darwin thought that the cell was an undifferentiated mass of protoplasm. This quote proves otherwise. <br class="br">Other letters, notebooks, journal articles, recollected statements