March 31, 1850
Born in New York Mills, New York
1858-1868
Attended public schools in Utica, New York, and Utica Academy
1863
Began collecting natural history specimens
1871
Moved to Trenton Falls, New York, to work on William P. Rust's farm and began collecting trilobites
January 9, 1872
Married Lura Am Rust
1873
Sold collection of fossils to Louis Agassiz at Harvard's Museum of Comparative Zoology
January 23,1876
Lura Ann Walcott died
November 1876
Appointed assistant to Janes Hall, state geologist of New York
1876
Joined American Association for the Advancement of Science
July 21, 1879
Appointed Assistant Geologist, United States Geological Survey (USGS)
1879
Assisted Clarence Edward Dutton in Grand Canyon region in south-central Utah and the Eureka district in Nevada
July 1, 1882
Placed in charge of Division of Invertebrate Paleozoic Paleontology at USGS
1882
Elected Fellow of American Association for the Advancement of Science
Field work in Nevada and Grand Canyon
1883
Promoted to Paleontologist, USGS
Field work in Grand Canyon and Cambrian studies in Adirondacks and northwestern Vermont
1884
Field work in Cambrian fossils in western Vermont; coal deposits in central Arizona; and Lower Paleozoic of Texas' central mineral region; Published first major paper The Paleontology of the Eureka District (USGS Monograph 8)
1885
Field work on Cambrians in Highland Range of central Nevada; Permian fossils of southwestern Utah; and Cambrian fossils in Wasatch Mountains near Salt Lake City
1886
Published "Classification of the Cambrian System in North America"
Cambrian field work in northern New York and western Vermont
1887
Cambrian field work in New York, western Massachusetts, and southwestern Vermont
1888
Married Helena Breese Stevens; Attended International Geological Congress in London; Placed in charge of all invertebrate paleontology at USGS; Published The Fauna of the Olenellus Zone which discusses Cambrian fossils in North America; Field work in Wales and on Canadian-Vermont border
May 17, 1889
Son Charles Doolittle born
1889
Cambrian field work in North Carolina, Tennessee, Mohawk Valley of New York, Vermont, and Quebec
1890
Published Correlation Papers on the Cambrian; Cambrian strata field work in New York and Vermont and Ordovician strata field work in Colorado Springs, Colorado
1891
Field work in New York, Colorado, and Appalachians from Virginia to Alabama
October 2, 1892
Son Sidney Stevens born
1892
Placed in charge of all paleontological work at USGS; Field work in southern Pennsylvania and western Maryland
1892-1907
Honorary curator of invertebrate Paleozoic fossils at United States National Museum (USNM)
January 1, 1893
Appointed Geologist in charge of Geology and Paleontology, USGS
1893
Vice President, Section E (Geology and Geography), American Association for the Advancement of Science; Examined Lower Paleozoic rocks in New Jersey, Pennsylvania, and Tennessee; Prepared paleontological exhibition for Chicago's Columbian Exposition
August 20, 1894
Daughter Helen Breese born
1894
Placed in charge of all paleontological collections at USNM; Appointed Director, USGS; Field work in central Colorado and White Mountain Range in California and Nevada
1895
Cambrian field work in Montana, Idaho, and Massachusetts
July 8, 1896
Son Benjamin Stuart born
1896
Joined National Academy of Sciences (NAS); Field work in eastern California and western Nevada and Franklin Mountains near El Paso, Texas
January 27, 1897
Appointed Acting Secretary in Charge of the USNM
1897
Conducted examination of forest reserves and national parks in Black Hills, Big Horn Mountains, and Inyo Mountains
June 30, 1898
Resigned as Acting Assistant Secretary in Charge of the USNM
1898
Field work in Lexington, Virginia; Teton Forest Reserve, Wyoming; Belt Mountains near Helena, Montana; and Idaho; President of the Cosmos Club, Washington, D.C.; Published Fossil Medusae (USGS Monograph 30)
1899
Field work in Newfoundland, New Brunswick, and Quebec; One of the founders of the Washington Academy of Sciences
1899-1911
President of the Washington Academy of Sciences
1900
Field work in Montana and Rhode Island
1901
Field work in Pennsylvania
January 4, 1902
One of the founders of the Carnegie Institution of Washington (CIW) and Secretary of the Board of Incorporators
1902
Member of the Advisory Committee on Geology and Advisory Committee on Geophysics of CIW
1902-1905
Secretary of Board of Trustees and of Executive Committee of CIW
1902-1922
Member, Executive Committee of Board of Trustees of CTW
1902-1923
Member of Council of NAS
1902-1927
Member, Board of Trustees, CIW
1903
Head of Board of Scientific Surveys, CIW; Field work in Uinta Mountains, Utah; House Range of western Utah; Snake River Range of eastern Nevada; Chairman of committee to study scientific work conducted by federal government
1904-1913
Honorary Curator, Department of Mineral Technology, USNM
1905
Field work in Montana's Rocky Mountains and Cambrian fossils of Utah's House Range
January 31, 1907
Appointed Secretary of the Smithsonian Institution
April 1907
Resigned as Director of the USGS
1907
Field work at Mount Stephen, Castle Mountains, Lake Louise, and Mount Bosworth in British Columbia
1907-1917
Vice President of NAS
1908
Field work in Montana, British Columbia, and Alberta
1909
Found Cambrian fossils near Burgess Pass above Field, British Columbia
1910
Found Burgess shale fauna
June 20, 1911
National Museum Building (now the National Museum of Natural History) completed
July 11, 1911
Wife Helena died in train accident in Bridgeport, Connecticut
1911
Field work in British Columbia
1912
Field work in Alberta and British Columbia; Published Cambrian Brachiopoda (USGS Monograph 51)
April 7, 1913
Son Charles Doolittle died
1913
Burgess shale work in Robson Park district, British Columbia, and in Jasper Park, Alberta
June 30, 1914
Married Mary Morris Vaux
1914
Field work in Glacier, British Columbia, and White Sulphur Springs and Deep Creek Canyon, Montana
1914-1927
Vice Chairman, Board of Trustees, CIW
1915
Living algae field work in Yellowstone National Park and West Gallatin River; fossil field work in Arizona 1915-1917; President, Washington Branch of the Archeological Institute of America
1915-1919
Chairman, Executive Committee of National Advisory Committee for Aeronautics
June 30, 1916
Elected member of National Research Council (NRC)
October 1916
Freer Gallery of Art building construction begun
1916
Field work in British Columbia and Alberta
1916-1923
First Vice Chairman, NRC
December 12, 1917
Son Benjamin Stuart died in military action in France
1917
Appointed member of NRC's Executive Committee, Aeronautics Committee, and Geology and Paleontology Committee; Chairman, NRC's Military Committee; Burgess shale field work around Lake MacArthur and in Vermilion River Valley
1917-1922
Chairman, Executive Committee, CIW
June 1918
Helped organize National Parks Educational Committee (became National Parks Association in 1919)
1918
Field work in Alberta; Member, NRC's Interim Committee; Chairman, NRC's Military Division and Section on Aeronautics
1918-1919
Chairman, National Parks Educational Committee
1919
Field work in Alberta; Chairman, NRC's Committee on Scientific Men as Reserve officers in Reorganized Army; Chairman, NRC's Committee on Removal of Offices of National Research Council; Chairman, NRC's Committee on Representation of United States at International Meetings to be held at Brussels
1919-1920
Member, NRC's Committee on General Policy and Solicitation of Funds; Chairman, NRC's Government Division
1919-1922
Member, NRC's Committee on Federal Grants for Research; Chairman, NRC's Committee on Publication of "The Inquiry" Results
1919-1924
Member, NRC's Research Information Service
1919-1925
Member, NRC's Executive Board
1919-1926
Member, National Parks Association's Executive Committee
1919-1927
Chairman, National Advisory Committee for Aeronautics
Chairman, NRC's Division of Federal Relations; Member, NRC's Executive Committee of Division of Federal Relations
1920
Field work in Alberta
1920-1921
Member, NAS's Federal Relations Committee
1920-1922
Chairman, Committee on Budget (jointly with NAS and NRC); Member, NRC's Committee on Building Stone and Committee on Building Plans
1921
Field work in Alberta
1921
Freer Gallery of Art building completed; Received first Mary Clark Thompson Medal from NAS
1921-1924
President, National Parks Association
1921-1927
Chairman, NRC's Executive Committee of Division of Federal Regulations
1922
Field work in Alberta and British Columbia; Established Charles D. and Mary Vaux Walcott Fund at Smithsonian
1922-1923
Member, NRC's Committee on Stabilization of Permanent Foundations; Chairman, Committee on Finance (jointly with NAS and NRC)
1922-1925
Member, NRC's Committee on Building; Member, NRC's Committee on Policies
1923
Field work in Alberta and British Columbia; President, American Association for the Advancement of Science; Freer Gallery of Art opened
1923-1924
Chairman, Committee on Dedication of the New Building (jointly with NAS and NRC)
1923-1925
Member, NRC's Interim Committee; Member, Executive Committee, Committee on Exhibits in the New Building (jointly with NAS and NRC)
1923-1927
Second Vice Chairman, NRC
1924
Field work in Alberta and British Columbia
1924-1925
Member, Committee on Exhibits (jointly with NAS and NRC)
1925
Field work in Alberta; Life Member, American Association for the Advancement of Science
1925-1927
President, American Philosophical Society
1926
Helped draft Air Commerce Act of 1926
1926-1927
Board of Trustees, National Parks Association
February 9, 1927
Died in Washington, D.C.