Nan Dieter-Conklin
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Nan Dieter-Conklin (1926 – November 16, 2014), also known as Nannielou Reier Hepburn Dieter Conklin, was an American
radio astronomer Radio astronomy is a subfield of astronomy that studies celestial objects at radio frequencies. The first detection of radio waves from an astronomical object was in 1933, when Karl Jansky at Bell Telephone Laboratories reported radiation coming f ...
.


Early life

Nannielou Reier was born in
Springfield, Illinois Springfield is the capital of the U.S. state of Illinois and the county seat and largest city of Sangamon County. The city's population was 114,394 at the 2020 census, which makes it the state's seventh most-populous city, the second largest o ...
, the daughter of Paul G. Reier. She attended Goucher College to study mathematics, but an astronomy course taught by Helen Dodson sparked her interest in that subject. Dieter spent summer internships at the
Maria Mitchell Observatory The Maria Mitchell Observatory in Nantucket, Massachusetts, USA, was founded in 1908 and named in honor of Maria Mitchell, the first American woman astronomer. It is a major component of the Maria Mitchell Association. The Observatory actually co ...
, working under Margaret Harwood. She completed doctoral studies at
Radcliffe College Radcliffe College was a women's liberal arts college in Cambridge, Massachusetts, and functioned as the female coordinate institution for the all-male Harvard College. Considered founded in 1879, it was one of the Seven Sisters colleges and he ...
in 1958, using her own radio astronomy data in her dissertation on Galaxy M33. Her research involved the radio telescope at
Harvard Harvard University is a private Ivy League research university in Cambridge, Massachusetts. Founded in 1636 as Harvard College and named for its first benefactor, the Puritan clergyman John Harvard, it is the oldest institution of higher le ...
, and she took a Harvard course on variable stars from Cecilia Payne-Gaposchkin.Ellen Bouton, Claire Hooker, and Miller Goss
"Nannielou Reier Hepburn Dieter Conklin"
National Radio Astronomy Observatory.
Astronomers Frank Drake and May Kaftan-Kassim were in Dieter's astronomy cohort at Harvard.


Career

After college Nan Dieter worked for the
U.S. Coast and Geodetic Survey The National Geodetic Survey (NGS) is a United States federal agency that defines and manages a national coordinate system, providing the foundation for transportation and communication; mapping and charting; and a large number of applications ...
. She was hired by the
Naval Research Laboratory The United States Naval Research Laboratory (NRL) is the corporate research laboratory for the United States Navy and the United States Marine Corps. It was founded in 1923 and conducts basic scientific research, applied research, technological ...
when they acquired a radio telescope. She published radio astronomy research on solar flares beginning in 1952, and is credited as "the first US woman radio astronomer" based on that work (
Ruby Payne-Scott Ruby Violet Payne-Scott, BSc (Phys) MSc DipEd (Syd) (28 May 1912 – 25 May 1981) was an Australian pioneer in radiophysics and radio astronomy, and was one of two Antipodean women pioneers in radio astronomy and radio physics at the end of the ...
, an Australian, is recognized as the first woman radio astronomer). During her graduate work in Massachusetts, she was on the staff of the Air Force Cambridge Research Laboratories at Hanscom Field. In 1965, having completed her doctorate, she joined the staff of the
Radio Astronomy Laboratory The Radio Astronomy Lab (RAL) is an Organized Research Unit (ORU) within the Astronomy Department at the University of California, Berkeley. It was founded by faculty member Harold Weaver in 1958. Until 2012, RAL maintained a radio astronomy observ ...
at the
University of California, Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public land-grant research university in Berkeley, California. Established in 1868 as the University of California, it is the state's first land-grant u ...
. Dieter-Conklin retired from Berkeley for health reasons in 1977, but continued to research and publish as she was able. Her last scholarly articles, all concerning the composition of
interstellar cloud An interstellar cloud is generally an accumulation of gas, plasma, and dust in our and other galaxies. Put differently, an interstellar cloud is a denser-than-average region of the interstellar medium, the matter and radiation that exists in t ...
s, were published in 2009, 2010, and 2014. She also published a memoir, ''Two Paths to Heaven's Gate'', in 2006. She was interviewed and photographed along with
Vera Rubin Vera Florence Cooper Rubin (; July 23, 1928 – December 25, 2016) was an American astronomer who pioneered work on galaxy rotation rates. She uncovered the discrepancy between the predicted and observed angular motion of galaxies by studyi ...
and
Paris Pişmiş Marie Paris Pişmiş de Recillas ( hy, Բարիզ Փիշմիշ, 30 January 1911 – 1 August 1999) was an Armenian-Mexican astronomer. Pişmiş was born Mari Sukiasian ( hy, Մարի Սուքիասեան) in 1911, in Ortaköy, Istanbul. She comp ...
as women astronomers attending the
American Astronomical Society The American Astronomical Society (AAS, sometimes spoken as "double-A-S") is an American society of professional astronomers and other interested individuals, headquartered in Washington, DC. The primary objective of the AAS is to promote the adv ...
conference in Arizona in 1963. In 1964 she won the first Patricia Kayes Glass Award, at the Air Force Science and Engineering Symposium held at Brooks Air Force Base in Texas. She gave an oral history interview at Berkeley in 1977, looking back on her education and career.David DeVorkin (1977)
Oral history interview with Nan Dieter-Conklin
American Institute of Physics.


Personal life

Nan Dieter-Conklin was married to W. Peters Hepburn Jr. from 1950 to 1953, and to fellow scientist Carlisle L. Dieter. She had two daughters, born in 1951 (Amy Hepburn) and 1958 (Aleemna K Wraye). She was diagnosed with
multiple sclerosis Multiple (cerebral) sclerosis (MS), also known as encephalomyelitis disseminata or disseminated sclerosis, is the most common demyelinating disease, in which the insulating covers of nerve cells in the brain and spinal cord are damaged. This d ...
in 1960. She married her third husband, Garret Conklin, in 1968; she was widowed when he died in 2002. She died in
Seattle Seattle ( ) is a seaport city on the West Coast of the United States. It is the seat of King County, Washington. With a 2020 population of 737,015, it is the largest city in both the state of Washington and the Pacific Northwest regio ...
in 2014, aged 88 years.


References


External links


Oral history interview transcript with Nan Dieter-Conklin on 19 July 1977, American Institute of Physics, Niels Bohr Library & Archives

A photograph of Nan Dieter-Conklin
on Flickr. *Obituary o
Nannielou Reier Hepburn Dieter Conklin (1926 - 2014)
American Astronomical Society. {{DEFAULTSORT:Dieter-Conklin, Nan 1926 births 2014 deaths People from Springfield, Illinois American women astronomers Radio astronomers People with multiple sclerosis Goucher College alumni Radcliffe College alumni University of California, Berkeley faculty 20th-century American astronomers 21st-century American astronomers 20th-century American women scientists 21st-century American women scientists