Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Image not available
Additional Formats
[R. D. McAllister; Rev. Martin F. McCarthy, S. J.; J. McChesney; W. S. McClenahan {incl ltr WSM to MLHumason}; E. S. McCluskey; William H. McCrea; Andrew McKellar; Thomas W. McKnew {c.ltr TWM to MacQueen Film Organisation Ltd.}; Edwin M. McMillen; Emilio I. Maluff; T. A. Margerison; William Markowitz {incl ltr TWGray to ISB; ltr R. Glenn Hall to ISB}; Pelio Marrani; Sister Mary Therese, B. V. M.; John Ingmar Maspers; Leo Mattersdorf; Samuel W. Matthews; Thomas A. Matthews]
Bowen
Image not available
Additional Formats
[Flora M. McBain; W. H. McCrea {re MLHumason}; Victor C. McKee; Andrew McKellar; Dean B. McLaughlin; D. H. McNamara; G. C. McVittie; M. R. Madwar {re location of Helwan Observatory & Mt. Wilson & Palomar}; S. L. Malurkar; A. Marechal; A. Marlow; Thomas A. Matthews; Aden B. Meinel {c.ltr WABaum to ABM}; Donald H. Menzel {incl c.ltr ANNesmeyanov to DHM; c.tlgm JPBardin to DHM; c.tlgm DHM to ANNesmeyanov; c.ltr DHM to K.Kordylewski}]
Bowen
Image not available
Additional Formats
[J. Howard McMillen {NSF -re SYCh'en}; Frank J. McMullen; D. H. McNamara {incl ltr DHMcM to OCWilson; c.memo JLGreenstein to ISB}; E. J. Macomb; Sister Mary Therese, BVM; Robert Arthur Matthews {incl ltr written by RAM under pseudonym "Robert Florey"}; Thomas A. Matthews; D. M. May; N. U. Mayall; Donald H. Menzel {incl c.ltr OStruve to DHM; c.ltr OStruve to James Marshall; c.ltr DHM to David McK. Key; c.ltr ARSandage to DHM; c.ltr DHM to LSpitzer}; Paul W. Merrill; l. Mestel; G. R. Miczaika; William C. Miller; M. Minnaert; Alvin L. Mitchell; Henry Allen Moe; Orren C. Mohler; George W. Morey; William Wilson Morgan]
Bowen
Image not available
Additional Formats
[David H. McAlpin; Arthur O. McCoubrey; Gordon MacDonald; J. E. Mack; Andrew McKellar; Macmillan Company Publishers {Martha Ortleib}; D. H. McNamara; G. C. McVittie {c.ltr GCM to RMinkowski}; Ernest Madge; Joseph H. Mamour {incl c.ltr National Geographic Society to JHM}; Hernán Zambrano Margáin; William Markowitz]
Bowen
Image not available
Additional Formats
[W. H. McCrea; J. D. McCullough; F. H. MacGougan; Andrew McKellar {incl ltr RBKing to AMcK}; Murdoch McKenzie {incl c.ltr EBBiesecker to MMcK}; Robert R. McMath {folded}]
Bowen
Image not available
Additional Formats
[A. J. Haagen-Smit; F. T. Haddock; George Ellery Hale; John S. Hall {incl c.ltr JSH to DHSadler; ltr ISB to JSH, LGHenyey, & AEWhitford}; Guillermo Haro {incl c.ltr GH to BHRule; c.ltr LPlaut to GH}; R. G. Harrington; George R. Harrison {incl c.ltr HWB to GRH}; Harshaw Chemical Company; Harvard College Observatory; Takeo Hatanaka; H. LAwrence Helfer {c.ltr HLH to JLGreenstein; c.ltr JLGreenstein to HLH; note OCWilson to ISB}; Louis G. Henyey]
Bowen