SIGMA XI QUARTERLY - VOL.29 APRIL,1941 NO.1

Oct 13, 2026

SIGMA XI QUARTERLY, Vol. 29, April 1941, No. 1, presents announcements and organizational reports for the Sigma Xi society, including national officers, executive committee and committee memberships. It also introduces the publication plan for National Sigma Xi Lectureships, explaining how lecture material will be issued in the quarterly and later reprinted in book form. The issue features scientific lecture content starting with “Image Formation by Electrons” by V. K. Zworykin, alongside related articles on science developments.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages84

Reading Time3 h 32 min

AccessFree to download

National Officers of Sigma Xi

Executive Committee

Financial Advisory Committee

Alumni Committee

Publication of the National Sigma Xi Lectures

National Lectureships for 1942

IMAGE FORMATION BY ELECTRONS

# SIG MA XIQUA R T ER LY VOL.29APRIL,1941NO.ISPRINGNUMBERCONTENTSANNOUNCEMENTS—National SecretaryPublicatian af the Sigma Xi LecturesNational Lectureships for 1942 Report of the Committee an Membership StructureIMAGE FORMATION BY ELECTRONS--V.K.ZworykinSCIENCE MAKES US GROW—Arthur H.Comptan THE ACTION OF LIGHT ON ORGANISMS—K.V.ThimannNEW NATIONAL OFFICERS ARTIFICIAL CONVERTERS OF SOLAR ENERGY—H.C.HottelPROCEEDINGS OF THE 41st CONVENTION MINUTES OF THE EXECUTIVE COMMITTEE MEETING—December,1940 REPORTS OF THE NATIONAL OFFICERS FOR 1940SupplementREPORT OF COMMITTEE ON MEMBERSHIP STRUCTURE # National Officers of Sigma Xi Presiden… ……………………………………EDWARD ELLERYUnion College,Schenectady,N.Y. Secretary……………………… ………………………………GEORGE A.BAITSELLYale University,New Haven,Conn. Treasurer…………… ……………………………………………GEORGE B.PEGRAMColumbia University,New York,N.Y. ## Executive Committee E.I.LuND-……………………… University of TexasTerm expires January,1942 HARLow SHAPLEY……………………… …………Harvard UniversityTerm expires January,1943 C.D.ANDERSON…… ……… California Institute of TechnologyTerm expires January,1944 HARVEY E.JoRDAN…………-……………… University of VirginiaTerm expires January,1945 C.E.DAVIS……… ………………… ……………… New York,N.Y.Term expires January,1946 W.F.DURAND………………… … ……………Stanford UniversityTerm expires January,1942 HENRY G.KNIGHT… …… … …Washington,D.C.Term expires January,1942 ## Financial Advisory Committee H.DEWITT SMITH,Yale’0.…… … …………………New York,N.Y. ## Alumni Committee HENRY G.KNIGHT,University of Washington ’0.…… …………… ………Washington,D.C.DoNALD H.SwEET,Case.…………… ………………………………………__.Chicago,Il.JAMES R.ANGELL,Chicago 0…………………… …………………New York,N.Y.JoHN C.PARKER,Michigan 1---…… -………………………………………New York,N.Y. A.ELJZABETH ADAMS,Yale 2…… …………… ………………South Hadley,Mass. 1 Assistant to the Secretary.……… … Mrss ELIZABETH C.WILKIE 1 THE SIGMA XrQUARTERLY is published by the Society of the Sigma Xi,under the editorial supervi-sion of the National Secretary. Printed at Burlington,Vermont,and entered as second-class matter at the Burlington,Vermont,postofce under the act of March 3,1879.Copyright,1941. Changes of address of members and associates should be communicated to the Secretary of the localchapter or club and to the National Secretary. Subscriptions and manuscripts should be sent to the National Secretary,George A.Baitsell,OsbornZoological Laboratory,Yale University,New Haven,Conn. ## SIGMA XI QUARTERLY A quarterly publication of the Society of the Sigma Xi devoted to thepromotion of Scientifc Research | VOL.XXIX | APRIL,1941 | NO.1 | | --- | --- | --- | ## Publication of the National Sigma Xi Lectures PossIBLY no activity of Sigma Xi has been more enthusiastically receivedthan the National Sigma Xi Lectureships and their publication in bookform.It has been felt for some time,however,that one more importantstep might be taken in an endeavor to secure a wider distribution ofthe lecture material to the great body of active and alumni memberswho have not heard the lectures nor had access to the two volumes of“Science in Progress.”The plan adopted by the Executive Committee,on an experimental basis,involves the publication of each of the lecturesin the QUARTERLY,one or two to an issue;the type to be held for laterreprinting in book form.It is hoped that two objects willbe achieved inthis way:(1)the lecture material will be made available to a largepercentage of the membership;(2)the expense of publication in bookform will be reduced and,thereby,a wider distribution of the successivevolumes of“Science in Progress”secured.The first lecture to be printedunder this plan,"Image Formation by Electrons,"Dr.V.K.Zworykin,appears on the following pages.It is expected that the remaining fourlectures of the 1941 series will follow in succeeding issues of the QUAR-TERLY.Comments f

FAQs

What publication plan does the issue describe for the National Sigma Xi Lectures?

The executive committee adopts an experimental plan to publish each lecture in the QUARTERLY, one or two to an issue, with type held for later reprinting in book form.

How are lecturers selected for the 1942 National Lectureships?

The issue states that the following lecturers have been chosen for the 1942 National Lectureships, with detailed information sent to chapter secretaries during April and requests due by November 1st.

Which lecture does the issue begin printing under the new plan?

It begins with “Image Formation by Electrons” by V. K. Zworykin, and expects the remaining four lectures of the 1941 series in succeeding issues of the QUARTERLY.

Oct 13, 2026

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