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An SEG web site, hosted by Stanford University and maintained by volunteers led by Brian Spies, was established was first created in 1994.

1940
Student membership was established at US$3 per year. The first Cumulative Index, R. D. Wyckoff, Editor, appeared in July. SEG's 10th Annual Meeting (together with AAPG and SEPM) in Chicago, 9-11 April, attracted 206 SEG delegates; W. T. Born served as Program Committee Chairman. Three new books on geophysical prospecting by distinguished members of SEG were published almost simultaneously in 1940: Exploration Geophysics, by J. J. Jakosky; Geophysical Exploration, by C. A. Heiland; and Geophysical Prospecting for Oil, by L. L. Nettleton (all were reviewed in Geophysics in January 1941). Donald C. Barton, founding member and first president of SEG, was elected to Honorary Membership posthumously in recognition of his work in founding the Society and in furthering the science of geophysics; he also served as president of AAPG in 1938-39.

Personals: W. B. Perry returned to Shawnee, Oklahoma from Trinidad ... Elmer W. Ellsworth now serving as a geologist with Independent Oil Producers Association of Illinois ... United Geophysical Co. opened a new laboratory in Pasadena ... George M. Bevier moved to San Antonio to do independent geophysical and geological work ... F. H. Agee, party chief with National Geophysical Co. is now located in Cuba. Membership: 892

1941
The Business Office of the Society was transferred to Houston. 704 attended the Annual Meeting in Houston; hotel accommodations at 12 hotels (including the Rice, Lamar, and Warwick) were offered at US$2.50 single and US$4 double! H. B. Peacock served as Program Committee Chairman. Authors' biographies and photographs appeared in the July issue of Geophysics for the first time. Some authors in that issue: Francis F. Campbell, L. L. Nettleton, W. T. Born, and Norman Ricker.

Personals: Howard Itten, recent graduate of Colorado School of Mines, has joined Stanolind Oil and Gas Co. in Scott City, Kansas ... Stan W. Wilcox transferred from Jackson, Mississippi to Wichita, Kansas, where he opened a district office for Seismograph Service Corp. ... C. H. Dix moved from New York to Pasadena ... Harry H. Sisson is now with General Geophysical Co. in Houston. Membership: 907

1942
The business office moved again! This time to Washington, D.C. Denver hosted the Annual Meeting with Frank Goldstone serving as Program Chairman. 130 registered for the convention, 22-24 April; 22 papers were presented in two sessions. SEG purchased a US$2000 war bond. A War Effort Advisory Committee was appointed with B. B. Weatherby serving as chairman.

Personals: Neal J. Smith, California Co., transferred from Houston to New Orleans ... O. B. Manes resigned from Independent Exploration Co. and joined Stanolind Oil & Gas in Beeville, Texas ... Marvin Romberg returned safely from Sumatra and is now with Carter Oil Co. in Tulsa ... Louis C. Pakiser accepted employment as "attached helper" with Carter Oil. Membership: 941

1943
SEG members in the armed services were given "inactive" status to be reinstated upon return to civilian life. The U.S. Dept. of State's Division of Cultural Relations sent microfilm copies of Geophysics and other technical journals to China. The convention was held in Fort Worth at the Hotel Texas, 7-9 April; there were 188 SEG registrants, 31 papers, and L. L. Nettleton served as Program Chairman. O. F. Ritzmann is new editor of the Patents section in Geophysics. E. V. McCollum and Craig Ferris resigned from Mott Smith Corp. and formed E. V. McCollum and Co. to engage in gravity and seismic exploration. Membership: 1004

1944
The first Index of Wells Shot for Velocity, edited by B. G. Swan, was published as a supplement to October Geophysics. 246 attended the 14th Annual Meeting in Dallas, March 21-23; Cecil Green served as Chairman of the Program/Arrangements Committee. St. Louis University organized an Institute of Geophysical Technology with James B. Macelwane, S.J. as dean. The Petroleum Administration for War announced that in September there were 481 geophysical units operating in the US, up 72 since January: 290 seismic, 124 gravimeter, 47 core drill, 17 magnetic, two electrical, and one torsion balance.

Personals: Milton B. Dobrin conducted a 15 week night course in petroleum geophysics at George Washington University, sponsored by the U.S. Office of Education ... Ensign H. J. McCready stationed now at the Naval Training Station at Princeton, N.J. A. A. Hunzicker, party chief with Texas Co., transferred from Mt. Vernon to Nashville, Illinois ... Jack F. Judson, United Geophysical Co., transferred from San Felipe, Venezuela to Caracas ... The business office moved again to El Dorado, Arkansas. Membership: 1135; Student Members: 7

1945
Because of government restrictions on travel, a regular convention was not held in 1945; a one day official 15th Annual Meeting was convened in Tulsa (not with AAPG) with Henry Cortes as General Chairman. Additional one day meetings were held in Houston on 20 April and in Dallas on 3 May. The Pacific Coast Section of SEG sponsored another one day meeting in Los Angeles on 7 November with O. C. Lester as program chairman; more than 200 attended. "Preparation of a manuscript for publication in Geophysics," by L. L. Nettleton, appeared in the July issue.

Personals: J. F. Gallie, former SEG business manager, resigned from Arkansas Oil & Gas Division in El Dorado and joined Cabot Carbon Co. ... Paul M. Tucker is now with Standard Oil of Cuba in Havana ... Major Lynn D. Ervin, after 32 months of overseas duty with the Marines in the Pacific, has returned to Camp Lejeune. Membership: 1263

1946
A business office for SEG was finally established in Tulsa with Colin C. Campbell as business manager, replacing Elisabeth Stiles who had served again as interim business manager. The Constitution was amended to allow for affiliation by local sections. The convention returned to Chicago on 1-4 April with J. J. Jakosky serving as program chairman; the Monday afternoon session was made up of all case histories. SEG purchased a US$6000 savings bond. A one day regional meeting was held 25 April in Houston. The 2nd Annual Pacific Coast SEG/AAPG/SEPM meeting was held 7-8 November in Los Angeles. The Reviews section was added as a regular department in Geophysics. New Committees: Student Membership, Best Paper Award, Geophysical Education, and an editorial committee formed to assist in selection and preparation of papers for the Geophysical Case Histories Volume, Henry C. Cortes, Chairman.

Personals: Donald R. Brown, formerly with Shell Oil in Houston, accepted a position as chief geophysicist with Caribbean Petroleum Co. in Caracas ... H. J. Kidder joined Socony Vacuum in Bogota, Colombia ... Albert W. Musgrave RT2/C has been transferred to the Industrial Command Division 12 1, Naval Repair Base in San Diego ... Robert J. Watson, former geophysicist with Carter Oil in Tulsa, is now exploration manager for Standard Oil Co. (Bahamas) Ltd. in Nassau. Membership: 1379

1947
Early Geophysical Papers was compiled under the direction of L. L. Nettleton, Special Editor. The Constitution and Bylaws were revised to include a council as governing body of the Society and providing for section representatives, representatives at large, and a Code of Ethics. The Geophysical Society of Tulsa was organized with 150 charter members on 4 February and petitioned for affiliation with SEG. The Best Paper Award was approved. The convention was held in Los Angeles, 25-27 March, with Cecil H. Green serving as chairman; 62 papers were presented and 261 delegates attended. The Ladies Entertainment Program offered tickets to a "Queen for a Day" broadcast. New standing committees: Constitution and Bylaws, Public Relations and Publicity, Special Reviews, and Geophysical Activity. The first Eastern Regional Meeting of SEG was held in Pittsburgh on 6 June. The University of Tulsa Student Geophysical Society was formed with Chet Jameson as President.

Personals: Edward G. Schempf, VP/supervisor for United Geophysical, transferred to company headquarters in Pasadena ... Gerald H. Westby, president of Seismograph Service Corp., was elected president of the Tulsa Chamber of Commerce ... Theodore Koulomzine is now chairman of the new Committee on Geophysics, Instruments and Equipment of the Geology Division of the Canadian Institute of Mining and Metallurgy ... J. Frank Rollins resigned from Geophysical Service Inc. to become a partner in Rayflex Exploration Co. in Dallas. Membership: 1593

1948
The SEG Council met when Denver hosted the convention 26-29 April with L. L. Nettleton, general chairman. A Mining Geophysics symposium was held for the first time at the meeting. New publications: Cumulative Index 1931-47, M. King Hubbert, Editor; and Geophysical Case Histories, Vol. 1, L. L. Nettleton, Special Editor. SEG became one of 12 sponsor societies of the newly formed American Geological Institute with E. A. Eckhardt and L. L. Nettleton serving as representatives. The following sections were chartered: Tulsa Geophysical Society, R. Clare Coffin, President; Dallas Geophysical Society, A. E. McKay, President; Fort Worth Geophysical Society; Geophysical Society of Houston, W. J. Osterhoudt, President; and Pacific Coast Section, Curtis H. Johnson, President. "Geophysical Activity in the U.S. Oil Industry," E. A. Eckhardt, Chairman, was published in December in Geophysics. Student sections were chartered at the University of Tulsa and at Colorado School of Mines. SEG moved into new offices in Tulsa (two rooms) and a secretary for the business manager was hired. New standing committees: Radio Frequency Allocation (changed to "Radio Facilities Committee" in 1949), Distinguished Lectures, and Safety. The first Best Paper Award was to Raymond Maillot for "Fundamental equations of electrical prospecting," which appeared in the October Geophysics.

Personals: Walter E. Heinrichs resigned from the Bureau of Reclamation to join Newmont Mining Corp. in Golden ... AGU's William Bowie Medal presented to J. B. Macelwane, S.J. ... A. P. Crary now with United Geophysical Co. at Awali, Bahrein Island ... Silvain J. Pirson, former professor of geophysics at Penn State, joined Stanolind Oil & Gas Co. as research reservoir engineer ... Roy F. Bennett named chief geophysicist of Sohio Petroleum ... Alfred J. Hermont is the name legally adopted by Alfred J. Herzenberg, Shell Oil Co. ... Edwin D. Gaby is president of new firm, Delta Exploration Co. ... B. B. Weatherby is serving as general chairman of the International Petroleum Exposition's Hall of Science; Daniel Silverman is chairman of the geophysical committee for the Tulsa conference ... C. Hewitt Dix now associate professor of geophysics at Cal Tech ... Louis B. Slichter joined the Institute of Geophysics at U.C.L.A. ... Charles C. Bates appointed member of the Panel on Geographic Environment, Research & Development Board of the U.S. Dept. of National Defense. Membership: 1822

1949
The Annual Meeting was held March 14-17 in St. Louis with Andrew Gilmour as program chairman; 26 papers were presented. Ark La Tex Geophysical Society was chartered March 12 in Shreveport. The Dallas, Fort Worth, Tulsa, and Ark La Tex Geophysical Societies held the first Midwestern Regional Meeting in Dallas, November 17-18; D. Ray Dobyns served as Program Chairman. An updated Index of Wells Shot for Velocity (2nd supplement), B. G. Swan, Special Editor, was published in January Geophysics.

Personals: Norman J. Christie appointed area supervisor of United Geophysical Co. for the Midcontinent and Gulf Coast Division, with headquarters in Tulsa ... J. Brian Eby elected president of the Texas Academy of Science ... Ira H. Cram, former exploration manager for Pure Oil Co., appointed VP and head of exploration for Continental Oil in Ponca City. Membership: 2339