Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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Additional Formats
[James R. Page; Thornton Page; George Pal; Joseph A. Pearce; John B. Penniston; R. A. Peterson {incl ltr M.A.Tuve to RAP}; Calvin Philips, Jr.; Henry B. Phillips; John G. Phillips; Alexander Pogo; Daniel M. Popper; Henry Power; Elmer D. Prall; H. W. Prentis, Jr. {incl issue of The Armstrong Reporter, Jan. 1950, w/ article "Cork Helps Us See the Stars"}]
Bowen
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Additional Formats
[James R. Page {incl ltr & c.ltr Henry F. Tiarks to JRP}; Robert J. Painter; J. L. Pawsey; Rubens Peiruque; Marian Pelkey; Wesley M. Peterson; R. M. Petrie; Robert Ashby Philip; John G. Phillips; Charles H. Philpott; Daniel Pierce; H. H. Plaskett; L. Plaut {incl ltr P. J. van Rhijn to ISB; c.ltr PJvR to WBaade}; Daniel M. Popper]
Bowen
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Additional Formats
[J. L. Pawsey; Cecilia Payne-Gaposchkin; Richard S. Perkin {ltr RSP to DOHendrix; note DOHendrix to ISB}; R. M. Petrie; Ivan Peyches {incl ltr Eugene C. Sullivan (Corning) to ISB; ltr Ed. Condon to ISB}; John G. Phillips; Philosophical Library {Robert E. Pike; Ralph B. Winn}; H. H. Plaskett {incl c.ltr HWBabcock to HHP}; L. Plaut; Harry E. D. Pollock; Daniel M. Popper; Lloyd C. Pray; Nathan M. Pusey {re Harvard College Observatory directorship. Incl ltrs McGeorge Bundy to ISB]
Bowen
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Additional Formats
[James M. Parker; [?] Pate; Cecilia H. Payne-Gaposchkin{incl copy ltr Louise Lowen to CP-G}; Henry F. Pearl; Richard S. Perkin; R. M. Petrie; John G. Phillips; Keith Pierce; Mrs. Pearl Marie Pilgrim; Karl Pittelkow {incl copy ltr B.H.Rule to KP}; H. H. Plaskett; Harry E. D. Pollock; Dudley G. Poore; Daniel M. Popper]
Bowen
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Additional Formats
[Thornton Page {incl c.ltr TP to JJNassau}; Daryl Parker; Cecilia Payne-Gaposchkin {incl ltr Harvard Univ Press to ISB; ltr ISB to HUPress}; Pendray & Co. {G. Edward Pendray}; E. Penkala; P. John Perry {crank{; James S. Pickering {incl ltr Joseph M. Chamberlain to ISB; c.ltr WCMiller to JMChamberlain}; W. H. Pickering {JPL}; S. B. Pikelner; Howard Pohn {& Bruce C. Murray --incl memo WCMiller to ISN}; Daniel M. Popper; Popular Science {Martin Mann}; George W. Preston; Alois T. Purgathofer]
Bowen
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Additional Formats
[S. Plakidis {incl ltr SP to MLHumason}; Lukas Plaut {incl c.ltr LP to WABaum}; Michael Plishner; H. F. Poppendiek {+2 photos}; Daniel M. Popper; J. G. Porter {folded}; Stuart Pottasch {National Bureau of Standards}; Lloyd C. Pray {Ohio Oil Co. Re HOWood estate}; Kevin H. Prendergast {incl c.ltr HWB to KHP}; George W. Preston; Maurice R. Price; Alois T. Purgothafer]
Bowen