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- NK 100-2961h ‘With reference to the location of EINSTEIN's office in Berlin, Germany, there 1s contained information in the following books SEinstein--An Int @ Study of a Great Man," written by DIMITRI IANOFF with P AYNE. It was published in 19) by Doubleday- Oe, Ince, WeYe. The author, MARIANOFF, was married to ; MARGOT sSKREINSTEIN's stepdaughter, | _ “ et On page 1 EINSTEIN's residence in Berlin was Siven a8 2). gin . $5 Haberlandstraase, and later in the book the author describes a _ the great volume of mail coming to this address for EINSTEIN end ~~ DUKAS' working on it there, Be a . oe _ On page 5, the author states that EINSTEIN lived at this ~~ 5% "~~ “address from 1915 until he left Berlin in the early 1930's. The : Ld _ docation is further described on page 68 as having its windows look-° “# 5 ing out on “the small green plot of the park in the Bairischerplats.* | of . 7 a Se . j fhere is not presently avallabie-in the Newark Office ———anyone of an informant status who could be interviewed concerning ~ the identity of EINSTEIN's personal secretary during the period |. prior to 1933. It appears from the above that HELEN DUKAS was this secretary, but it 1s not felt advisable to contact Professor : oa, LADENBURG in view of his close association over a great number of years with Professor EINSTEIN. Efforts will be made to locate such an informant in the Princeton area. een ae ; i | Yewnttiames Cer. CARD) re BY ee ts, Lo. fe COUT poe i tee : fos . A a