ORGANIZATION OF THE OBSERVATORY. 



GEORGE E. HALE, Director. 



WALTER S. ADAMS, Assistant Director. 



RESEARCH DIVISION. 



Solar Physics: George E. Hale, in charge; Charles E. St. John; 

 Ferdinand Ellerman; Adriaan van Maanen; Walter Colby; 

 George S. Monk; George P. Luckey. 



Stellar Spectroscopy: Walter S. Adams, in charge; Francis G. 

 Pease; George S. Monk; George P. Luckey. 



Stellar Photometry: Frederick H. Scares, in charge; Harlow 

 Shapley. 



Nebular Photography: G. W. Ritchey; Francis G. Pease. 



Stellar Parallax: Adriaan van Maanen. 



Physical Laboratory: Arthur S. King, in charge; Harold D. 

 Babcock; Walter Colby. 



RESEARCH ASSOCIATES. 



J. C. Kapteyn, University of Groningen; Carl Stb'rmer, Uni- 

 versity of Christiania. 



COMPUTING DIVISION. 



Frederick H. Scares, superintendent; Ada M. Brayton; Cora 

 G. Burwell; Helen Davis; Dorothy Bach Fretter; Mary C. 

 Joyner; Merl McClees; Addie L. Miller, Ardis Thomas 

 Monk; Myrtle L. Richmond; Bertha M. Shumway; 

 Louise Ware; Laura West; Coral Wolfe; Jessie Haines 

 Longacre, librarian. 



OFFICE AND DESIGN. 



Francis G. Pease, instrument design; E. C. Nichols, H. S. 

 Kinney, William Hookway, draftsmen; Deforest S. Mul- 

 vin, bookkeeper; Margaret M. Van Petten, stenographer; 

 Lucena McBride, telephone operator. 



INSTRUMENT CONSTRUCTION. 



Optical Shop: G. W. Ritchey, chief optician; W. L. Kinney; 



James Dalton. 



Instrument Shop: Clement Jacomini, chief instrument maker; 

 Alden F. Avers, foreman; C. D. Shumway; James Chap- 

 man; Elmer Prall; Warren Howell; L. R. Hitchcock; 

 Gardner Sherbourne; Ernest Keil; Caleb Moore; Albert 

 Mclntire; Max L. Derr; J. A. Falk; H. B. Terbeck; 

 M. C. Hurlbut; Fred Scherff; Oscar Swanson; Fred Hen- 

 sen; J. T. Wagner. 



OPERATION AND ERECTION. 



George D. Jones, superintendent of transportation and erec- 

 tion; Merritt C. Dowd, engineer; Sam Jones, assistant 

 engineer; W. P. Hoge, night assistant; D. C. Johnson, 

 steward; J. Fred Burt, R. R. Campbell, Joseph Pring, 

 janitors. 



