(1) born on May 27, 1907.
(2) A prominent marine biologist
(3) Carson published her story in the September 1918 issue of the St. Nicholas magazine.
(4) In 1925 she graduated high school.
(5) One of the first to notice the negative effects of fertilizers.
(6) in the year 1932 she graduated from John Hopkins University receiving a bachelors degree.
(7)The Edge of the Sea and The Sea Around Us were a biography of the ocean and made Carson famous as a naturalist and science writer for the public.
(8) Rachel Carson taught at the University of Maryland for five years .
(9) Joined the U.S. Fish and Wildlife service in 1936.
(10) Rachel Carson died of cancer on April 14, 1964.
(1) John Muir was born April 21, 1838, in Dunbar, Scotland.
(2) He moved to Fountain Lake, Wisconsin in 1849 with his family at age 11 from Scotland.
(3) Attended the University of Wisconsin-Madison .
(4) Muir was one of the first who fought for A forest conservation policy in his time .
(5) Muir spent the summer of 1869 herding sheep at Tuolumne Meadows.
(6) From 1869 until 1880, Muir explored the mountains of the Yosemite Valley.
(7)He and a group of supporters won the fight to conserve the Sequoia and Yosemite national parks.
(8) During Muir's lifetime , he published more than 300 articles and 10 books about his experiences in travels .
(9) In 1892 , he was the founder of the Sierra Club.
(10) John Muir died on December 24, 1914 at the age of 76.
(1) Aldo Leopold was born January 11, 1887, in Burlington, Iowa.
(2)He worked for the U.S. Forest Service from 1909–1928.
(3) He was a campaigner for the preservation of wildlife and wilderness areas.
(4) The founder of the Wilderness Society.
(5) Leopold spent much of 1928 learning game protection, preservation, and conservation at the national level.
(6) In 1924 the country's first national wilderness area was created at his urging.
(7) The Ecological Society of America, elected...