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Paul Bigelow Sears (December 17, 1891 – April 30, 1990) was an American
ecologist Ecology () is the study of the relationships between living organisms, including humans, and their physical environment. Ecology considers organisms at the individual, population, community, ecosystem, and biosphere level. Ecology overlaps wi ...
and writer.


Life and career

He was born in Bucyrus,
Ohio Ohio () is a state in the Midwestern region of the United States. Of the fifty U.S. states, it is the 34th-largest by area, and with a population of nearly 11.8 million, is the seventh-most populous and tenth-most densely populated. The sta ...
. Sears attended
Ohio Wesleyan University Ohio Wesleyan University (OWU) is a private liberal arts college in Delaware, Ohio. It was founded in 1842 by methodist leaders and Central Ohio residents as a nonsectarian institution, and is a member of the Ohio Five – a consortium ...
(B.Sc. in Zoology, 1913; B.A. in Economics, 1914), the
University of Nebraska at Lincoln A university () is an institution of higher (or tertiary) education and research which awards academic degrees in several academic disciplines. Universities typically offer both undergraduate and postgraduate programs. In the United States, the ...
(A.M. in Botany, 1915), and the
University of Chicago The University of Chicago (UChicago, Chicago, U of C, or UChi) is a private research university in Chicago, Illinois. Its main campus is located in Chicago's Hyde Park neighborhood. The University of Chicago is consistently ranked among the b ...
(Ph.D. in Botany, 1922).Sprugel, Doug. 2015. Paul B. Sears (microbiography)
retrieved September 2021.
Sears married Marjorie Lea McCutcheon and the couple had three children: Paul M. Sears, Center for Atmospheric Research, Colorado; Dr. Catherine S. Frazer, Lakewood, Colorado, former Wellesley College faculty; Sallie H. Sears, Assistant Professor of English, Stony Brook.1965. Paul B. Sears, Eminent Ecologist—1965
Bulletin of the Ecological Society of America 46(4), p 151-152. Retrieved September 2021.
Early in his research career, he published an innovative series on the ''Natural Vegetation of Ohio'' (1925 to 1926) These papers delineated the original forest types by using “witness trees” from the original land surveys of Ohio and are still widely cited by plant ecologists working in Ohio today. During the Dust Bowl and his tenure at the University of Oklahoma, Sears wrote ''Deserts on the March'', one of the first books to communicate ecological principles to the general public. His best known book, ''Deserts'' has gone through eleven printings of its four editions, most published by the University of Oklahoma Press. The first edition was last republished by Island Press in 1988 as part of its Conservation Classics series. Also during the late 1920s and 1930s, Sears pioneered the study of fossil pollen as a cue to past vegetation and climate in the United States. One of his early students, Phyllis Draper, published the first American contribution to this developing field. Sears was the first to publish reference drawings of Lake Erie basin fossil pollen types, and published extensively in this field and inspired many students between 1930 and about 1950, by which time his interest in conservation and land use dominated his time. In 1943, Sears independently initiated a publication, the ''
Pollen Analysis Circular The ''Pollen Analysis Circular'' was a mimeographed publication that maintained communications among scientists working on either side of the Atlantic Ocean during World War II and aided the early development of the field of palynology. It was init ...
'' (later the ''Pollen and Spore Circular''), to answer the “need of a freer interchange of information among those who are interested in pollen analysis in this country” during the period of restricted travel and professional meetings before and during the Second World War. Eighteen issues were mimeographed and distributed, ultimately, to more than 200 pollen researchers and interested scientists in North America and Europe. In issue 8, Sears reported on a suggestion by H.A. Hyde and D.A. Williams that this new science be named “ palynology,” a term for this new field which was ultimately adopted by his colleagues. After the end of the war, the circulars were discontinued. The final issue appeared in 1954. By 1967, researchers had formalized a new professional organization, the American Association of Stratigraphic Palynologists. In 1950, Sears was named chair of a new graduate program in Conservation at
Yale University Yale University is a private research university in New Haven, Connecticut. Established in 1701 as the Collegiate School, it is the third-oldest institution of higher education in the United States and among the most prestigious in the wo ...
. The program was instigated and initially funded by the Conservation Foundation, of which
Fairfield Osborn Henry Fairfield Osborn, Sr. (August 8, 1857 – November 6, 1935) was an American paleontologist, geologist and eugenics advocate. He was the president of the American Museum of Natural History for 25 years and a cofounder of the American Euge ...
was head. An unprecedented interdisciplinary effort, this program produced several notable students, among them Paul Shepard and Estella Leopold, daughter of
Aldo Leopold Aldo Leopold (January 11, 1887 – April 21, 1948) was an American writer, philosopher, naturalist, scientist, ecologist, forester, conservationist, and environmentalist. He was a professor at the University of Wisconsin and is best known for his ...
. Pioneer conservationist Leopold was a contemporary of Sears' who defined the
land ethic A land ethic is a philosophy or theoretical framework about how, ethically, humans should regard the land. The term was coined by Aldo Leopold (1887–1948) in his ''A Sand County Almanac'' (1949), a classic text of the environmental movement. The ...
and inspired new generations of conservationists and environmentalists. Sears also served on the board of trustees of Science Service, now known as
Society for Science Society for Science, formerly known as Science Service and later Society for Science and the Public, is a 501(c)(3) non-profit organization dedicated to the promotion of science, through its science education programs and publications, including ...
, from 1954–1957. In the mid 1960s, Sears retired to Taos, New Mexico, where he participated on local boards and committees, “taught dozens of local youngsters to play violin,” and “continued his work to make this planet a better place.” He taught a course in environmental biology in 1977 at Fort Burgwin, New Mexico, a research facility 10 miles from Taos which is owned by Southern Methodist University. He died in the medical center at Plaza de Retiro on April 30, 1990.The Taos News, Vol. XLI, No. 40. May 10, 1990.


Career chronology

* 1915–1919 Botany instructor,
Ohio State University The Ohio State University, commonly called Ohio State or OSU, is a public land-grant research university in Columbus, Ohio. A member of the University System of Ohio, it has been ranked by major institutional rankings among the best publ ...
* 1917–1919 Serves in U.S. Army * 1919–1927 Botany professor,
University of Nebraska A university () is an institution of higher (or tertiary) education and research which awards academic degrees in several academic disciplines. Universities typically offer both undergraduate and postgraduate programs. In the United States, the ...
* 1927–1938 Chair of and Professor in Botany Department,
University of Oklahoma The University of Oklahoma (OU) is a Public university, public research university in Norman, Oklahoma. Founded in 1890, it had existed in Oklahoma Territory near Indian Territory for 17 years before the two Territories became the state of Oklahom ...
* 1936–1938 Columbia University Teachers College (on leave from Oklahoma) * 1938–1950 Chair of and Professor in Botany Department,
Oberlin College Oberlin College is a Private university, private Liberal arts colleges in the United States, liberal arts college and conservatory of music in Oberlin, Ohio. It is the oldest Mixed-sex education, coeducational liberal arts college in the United S ...
, Ohio * 1948 President of Ecological Society of America * 1949 President of Ohio Academy of Science * 1950–1960 Chair and Professor of Yale Conservation Program (graduate level) * 1956 President of American Association of Science * 1959 President of American Society of Naturalists * 1963 Received the Richard Prentice Ettinger Award * 1965 Named Eminent Ecologist by the Ecological Society of America


Bibliography

The following books were written by Paul Sears: * ''Deserts on the March'' (1935) * ''This is Our World'' (1937) University of Oklahoma Press. * ''Who Are These Americans?'' (1939) Macmillan Co. * ''Life and Environment'' (1939) Bureau of Publications, Teachers College, Columbia University. * ''Charles Darwin: The Naturalist as a Cultural Force'' (1950) Scribners, New York. * ''Where There is Life'' (1962) Dell Publishing Co., New York. * ''Biology of the Living Landscape'' (1964) ASIN B000FMINIE * ''Lands Beyond the Forest'' (1969)


References


External links

* Paul Bigelow Sears (MS 663). Manuscripts and Archives, Yale University Library


Paul B. Sears
Excerpt from Canright (1995), at American Association of Stratigraphic Palynologists (AASP) website, via Archive.org; link confirmed 09/10/21.

by Charles H. Smith, Western Kentucky University, link confirmed 09/10/21.

1935 paper by Paul B. Sears. Originally published in Botanical Review Vol 1:37–51. Online version confirmed 09/10/21.
Record of induction to Oklahoma Hall of Fame
1944. 1891 births 1990 deaths University of Oklahoma faculty Ohio Wesleyan University alumni University of Chicago alumni Yale University faculty People from Bucyrus, Ohio American ecologists Human ecologists Teachers College, Columbia University faculty {{UOklahoma-stub