# Earle Raymond Hedrick

**Earle Raymond Hedrick**(1876 –February 3 1943 ), was an American mathematician and a vice-president of theUniversity of California .Hedrick was born in Union City,

Indiana .After undergraduate work at theUniversity of Michigan , he obtained a Master of Arts fromHarvard University . With a Parker fellowship, he went to Europe and obtained his PhD fromGöttingen University in Germany under the supervision ofDavid Hilbert in 1901.He then spent several months at theÉcole Normale Supérieure in France, where he became acquainted withEdouard Goursat ,Jacques Hadamard ,Jules Tannery ,Émile Picard andPaul Émile Appell , before becoming an instructor atYale University . In 1903, he became professor at theUniversity of Missouri . He moved in 1920 toUCLA to become head of the department of mathematics. In 1933, he was giving the first graduate lecture on mathematics atUCLA . He became provost and vice-president of the University of California in 1937. He humourly called his appointment "The Accident", and told jokingly after this event:I no longer have any intellectual interests —I just sit and talk to people.

He played in fact a very important role in making of the University of California a leading institution. He retired from the UCLA faculty in 1942 and accepted a visiting professorship atBrown University .Soon after the beginning of this new appointment, he suffered a lung infection. He died at the Rhode Island hospital inProvidence ,Rhode Island . One residence hall of the UCLA campus was named after him in 1963.**Research**Earle Raymond Hedrick worked on partial differential equations and on the theory of nonanalytic functions of complex variables. He also did work in applied mathematics, in particular on a generalization of Hooke's law and on transmission of heat in steam boilers. With

Oliver Dimon Kellogg he authored a text on the applications ofcalculus to mechanics.**Pedagogical activity**Earle Raymond Hedrick translated in English the "Cours d'Analyse" of Edouard Goursat providing American students with an up to date (for the beginningof the twentieth century) textbook of analysis. He also translated the first part of the textbook of

Felix Klein "Elementarmathematik vom höheren Stanpunkte aus" in English. His activity in the Mathematical Association of America and in the National Council of Mathematics Teachers had also an important impact on mathematics education in the United States. He also authored or co-authored various textbooks of mathematics, and was general editor of the Series of Mathematical Texts which comprises about 40 volumes.**Administrative activities**Earle Raymond Hedrick was involved in the creation of the

Mathematical Association of America in 1916 and was its first president. The Earle Raymond Hedrick lectures were established by the Mathematical Association in America in his honor. He also served as vice-president of theAmerican Association for the Advancement of Science , and playedan important role at theAmerican Mathematical Society both as president (1929-1930) and as editor of the Bulletin of the Americal Mathematical Society, a role he assumed during 17 years. He also work as editor for the Engineering Science Series.**Professional societies**Besides the societies where Earl Raymond Hedrick had important adminsitrative activities, he was also member of:

*

Society for the Promotion of Electrical Engineering

*American Society of Mechanical Engineers

*American Institute of Electrical Engineers **Textbooks*** " [

*http://www.archive.org/details/applicationsofca00hedriala Applications of the calculus to mechanics*] " withOliver Dimon Kellogg (Boston: Ginn, 1909)

* " [*http://www.archive.org/details/solidgeometry00fordrich Solid Geometry*] " with Walter Burton Ford and Charles Ammerman (New York: Macmillan, 1913)

* " [*http://www.archive.org/details/analyticgeometry00ziwerich Analytic geometry and principles of algebra*] " withAlexander Ziwet (New York: Macmillan, 1913)

* " [*http://www.archive.org/details/constructivegeom00hedriala Constructive geometry; exercises in elementary geometric drawing*] " (New York : Macmillan, 1916)

* " [*http://www.archive.org/details/logarithmictrigo00hedriala Logarithmic and trigonometric tables*] " (New York : Macmillan, 1920)**References*** [

*http://www-groups.dcs.st-and.ac.uk/~history/Biographies/Hedrick.html Earle Raymond Hedrick: Mactutor biography*]

* [*http://content.cdlib.org/xtf/view?docId=hb696nb2rz&chunk.id=div00004&brand=calisphere&doc.view=entire_text University of California: In Memoriam, Earle Raymond Hedrick, Mathematics: Los Angeles and Systemwide*]

* [*http://www-groups.dcs.st-and.ac.uk/~history/Extras/Hedrick_lecturers.html The Earle Raymond Hedrick Lecturers*]

* [*http://www.pastleaders.ucla.edu/hedrick.html Earle Raymond Hedrick: UCLA's past leaders*]

* [*http://sunsite.berkeley.edu/UCHistory/general_history/campuses/ucla/departments_m.html#mathematics The mathematics department at UCLA ane Earl Raymond Hedrick*]

* [*http://www.ams.org/ams/20-hedrick.html AMS Presidents: A Timeline Earl Raymond Hedrick*]

* [*http://www.lib.utexas.edu/taro/utcah/00193/cah-00193.html E. R. Hedrick colllection Archives of American Mathematics, Center for American History,The University of Texas at Austin*]

* Paul Ehrlich [*http://www.math.missouri.edu/~news/issue4/pioneers.html Kellogg, Bliss, Hedrick Mizzou Math Pioneers*]

* Paul Ehrlich [ http://www.math.missouri.edu/welcome/bliss.html Hedrick in Missouri]

* Virgil Snyder, " [*http://dx.doi.org/10.1126/science.97.2514.214 Earle Raymond Hedrick*] ", Science**97**, 214 (1943)

* Virgil Snyder, " [*http://projecteuclid.org/euclid.bams/1183505145 Earle Raymond Hedrick—In memoriam*] ", Bull. Amer. Math. Soc.**49**, 345 (1943).

* W. B. Ford "Earle Raymond Hedrick" The American Mathematical Monthly,**50**, 409 (1943).

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