Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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[{Mrs.} Alice MacIntyre {NRC}; R. E. Marshak; Margaret Matson; Sister Mary Therese, BVM; Nicholas U. Mayall; Donald H. Menzel {incl c.ltr DHM to WBaade}; G. R. Miczaika; Max B. Miller; Rev. Walter J. Miller, S.J.; William A. Miller; William C. Miller; Peter H. Millman; Rudolph Minkowski {& ADeutsch, Guido Münch, and SBNicholson}; Henry Allan Moe; Orren C. Mohler; George W. Morey; Guido Münch]
Bowen
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[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
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[Yusuke Hagiharo; Councilman Hahn; Mrs. George Hale; Leita Harmon; Robert Harrington; Hermann Haupt; George H. Herbig; L. Herman {& Harold Leinbach}; Wesley Hertenstein; Byron Hill; P. B. Hill; Erik Holmberg; John C. Hostetter; Karel Hujer; Edward O. Hulburt; Elizabeth Hall; Milton L. Humason; J. Allen Hynek {incl ltr PAS to ISB; 1 copy ltr PAS to JAH; 1 copy ltr JAH to V.Bush; 1 copy ltr JAH to WBaade}]
Bowen
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[Deane J. McAlister {incl 1 memo George Hall to ISB}; W. H. McCrea; Thomas W. McKnew; R. A. Marsh; Ernest Martin; Nicholas Mayall; Aden Meinel; G. Merton {incl.ltr William A. Kinney to ISB}; Walter C. Michels {w/ ms. on "The Speed of Light and Cosmic Time"}; Roswell Miller; William C. Miller; E. A. Milne; H. L. Milner (or Milbrer?); George S. Monk; Walter Howard Moore; W. W. Morgan {to P. W. Merrill, note on ltr to from PWM to ISB}; Willy H. Mühle (incl 1 transl. by F. F. Frederick; 1 ltr held together by transparent tape}]
Bowen
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[Byron Hill {incl c.ltr Photo Lab (Mt. Wilson) to BH}; W. A. Hiltner; Erik Holmberg; Robert E. Holzer; Edwin P. Hubble; C. M. Huffer; M. L. Humason; J. Allen Hynek {incl ltr PWMerrill to JAH}]
Bowen
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[Joseph Herczegh {incl ltr Joseph Lassanyi to ISB; ltr ISB to JLassanyi}; Hilger & Watts, Ltd. {J. W. Perry}; Byron Hill; Erik Holmberg; Alice W. Hood; A. van Hoof {icl ltr Louise Lowen to AvH; copy ms "On a Possibility to Resolve Spectroscopically Several Spectroscopic Binaries," by AvH}; Edwin E. Hudson; Ernest B. Hugg; H. C. van de Hulst {incl copy ltr Robert F. Bacher to HCvdH}; Milton L. Humason; Muhammad Hus-ain {folded}; Viola Hutchinson]
Bowen