Heroes of science, by Peter Martin Duncan 70356 [Subtitle: Botanists, zoologists, and geologists] [Author: Peter Martin Duncan] [Link: https://www.gutenberg.org/7/0/3/5/70356] [Files: 70356-0.txt; 70356-h.htm] Thanks to Sharon Joiner, Bryan Ness and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/Canadian Libraries) Regards, Al