\. 

) ~ 1BlRl&a61411 I • ~SEARCH AND DEVELOPMF'NT D IVI. 

4 February 1949 

GAS-70a 

70b 

70c 

Office of the Chief 

Assistant Chief 

Technical Consultants 

P- ~ S. Kullback ~ 1 Leo Rosen , 

F.W. Lewis, J.H. Douglas, 

A.J. Levenson, (C.R. Deeter 

70d 

70e 

Administrative Officer 

Personnel Assistant 

"At10 A.lfred TI. Rose -P~ 

CSGAS-71 Chief, Technical Staff 

71a Operations Staff 

7ld History, Records & Reports Section 

7le , Legal Section 

71f :Patents Section 

7lg Supply Section 

CSGAS-72 ·C~ief, Ciphony & Cifax Branch 

Technical Consultant 

Administrative Assistant 

72a Encrypting Development Section 

72b Ciphony Section 

72c Cifax Section 

CSGAS-73 

73a 

73b 

73c 

73d 

Chief, Intercept Equipment Branch 

Assistant Chief 

Radio Frequency Section 

Non-Morse Section 

Recording Section 

Development Section , 

CSGAS-74 Chief, Electromechanical Branch 

Assistant Chief 

Technical Consultant 

74a Relay Engineering Section 

74b Electrical Engineering Section 

74c Mechanical Engineering Section 

Grace E. Greene 

Frederick F. Spalding 

George E. McKean 

Rose C. Rosen 

Elizabeth M. Roberts 

Henry B. Stauffer 

Edna C. Limbaugh 

Clarence c. Wright -

C. Russel Summers 

Jessica Hunter 

rUtford M. Mathews, Jr. 

Thomas A. Prugh 

Lynn W. Marsh 

Richard c. Hix 

Arthur B. ~oulton 

A.rthur B. Moulton 

Herman Brownstein 

Robert Sackman 

Richard Heckel 

Howard C. Barlow 

John A. Tasker 

Robert E. Gordon 

Nathan Christopher 

Frank Mitchell 

Bruce Erickson 

-- . 

CSGAS-75 Chief, Laboratory Services Branch Frederick Kelley .... 

75a 

A.ssistant Chief Joseph Valentino 

Machine Design, Drafting & Material 

Testing Section Maurice Flaherty 

75b Model and Tool Shop Frank E. Trost 

CSGAS-76 Chief, Cryptologic Branch 

Administrative Assistant 

76a Photoelectric Section 

76b Cryptanalytic Machine Section 

76c Projects Section 

CSGAS-77 Chief, Electronics Branch 

A.as istant Chief 

77a Development Section 

77b Development Section 

77d Development Section 

~ -~ Arnold I. Durney 1

..---

John w. Russell· 

Robert E. Sikes 

Herbert w. Kiefert 

Daniel M. Dribin 

Charles J. Schier1.m8nn 

Eynon T. Rowland 

Roger Moulton 

Dwight s. Ashle;t-=-~ 

Harold D. Bankstn 

Research & Development Division Training Laboratory ~ -

321 

284 

430 

227) 

321 

316 

436 

331 

348 

227 

257 

434 

326 

203 

260 

437 

326 

427 

427 

405 

224 

224 

285 

435 

306 

306 

250 

256 

251 

329 

377 

408 

322 

320 

487 

428 

439 

240 

32 

19 

08 

46 

53 

52 

91 

40 

22 

40 

RESTRICTElt eclassified and approved for release by NSA 

n 04-11-2014 ursuant to E.O. 13526 
I 

• REF ID:A67411 

OPERATIONS DIVISION 

Chief, CSGAS-90 

Ass 1 t. Chief CSGAS-90 

Executive Cfficer CSGAS-90 

Chief, CSGAS-90X 

CSGAS-91 ,,.. 

LABORATORY BRANCH 

Chief, CSGAS-91 

Chief, CSGAS-91-PH 

Chief, CSGAS-91-Laboratory 

MACHU"E BRANCH 

Chief, CSGAS-92 

Ass't. Chief CSGAS-92 

Special Service Section 

Wing 7 (Gen. IBM ) 

Wing 8 (Gen. IBM ) 

GENERAL PRCCESSING BRM:CH 

Chief, CSGAS-93 

Ass 1 t. CSGAS-93 

Chief, CSGAS-93-C 

Chief, CSGAS-93-D 

Chief, CSGAS-93-G 

Chief, CSGAS-93-H 

CSGAS-92 

CSGAS-93 

I.U-. Frank B. Rowlett 

Major Maurice H. Klein 

Mr. Gordon W. Sommers 

Mr. Philip J. Patton 

Mr. Alfred H. Feeney 

Mr. Charles H. Uenhart 

Mr. James U. Sherwood 

Mr. Albert E. Highley 

Mr. William J. Lawless 

Mr. Turner S. UcLaurin 

Mr. t:orman Willis 

Mr. Joseph Shine 

Mr. Hugh S. Erskine 

Mr. Benson K. Buffliam 

Mr. Sydney Jaffe 

f1ir. Carl Y.litzke 

Mr. Henry J. Herczog 

Mr. Richard A. Faust 

- ---=-=~ 

- . - ...... -~"'-"'7 

Jr. 
' e 

REF ID:A67411 

CSGAS-93 Cont'd 

Chief, CSGAS-93-t 

Chief, CSGAS-93-P 

CSGAS-94 

INTERCEPT CCNTROL BRU1CH 

Chief, CSGAS-94 

Ass 1 t. Chief CSGAS-94 

Chief, CSGAS-94-B 

Chief, CSGAS-94-C 

Chief, CSGAS-94-D 

CSGAS-95 

lNFORUATION & DOCUMENTS BRANCH 

Chief, CSGAS-95 

Ass 1t. Chief, CSGAS-95 

Chief, CSGAS-95-A 

Chief, CSGAS-95-B 

Chief, CSGAS-95-C 

Chief, CSGAS-95-D 

TECHNICAL STAFF BRANCH 

Chief, CSGAS-96 

Ass't. Chief CSGAS-96 

CSGAS-96 

• , ........ 

Mr. Herman W. Phynes 

Mr. Caleb Bevans 

Mr. John A. Mcintire 

Mr. George Porter 

Mrs. Helen Williams 

Mr. Richard R. Neill 

Mr. Hollis C. Brown 

Uajor Maurice H. Klein 

Mr. Gordon W. So:r.imers 

Uiss Julia ;(Rrd 

Mr. Frank Steinmetz 

Miss Hazel Nelson 

f,frs. Hazel Mitchell 

Mr. Dale Ifie.rs ton 

Mr. Paul R. Reimers 
REF ID:A67411 

-

C~AS-97 SPECIAL PROCESSING BRANCH 

Chief, CSGAS-97 

Ad.min. Officer 

Chief, CSGAS-97-A 

Chief, CSGAS-97-B 

Chief, CSGAS-97-C > 

'i" 

Chief, CSGAS-97-D 

Chief, CSGAS-97-E 

Chief, CSGAS-97-F 

Research & Training 

Operations 

-

t 

l 

\ 

---Ii.' 

Oliver R. Kirby 

Thomas F. 0 1Brien 

"ta cob Gurin 

Cecil R. Porter 

Theodore L. Squier, Jr. 

Loron B. Phelps, Jr. 

Edward E. Christopher 

James K. Lively Henry A. Sauerwein, Jr.