## A. Carnap to Morris, copy to Neurath, January 31, 1940.

Rudolf Carnap

Faculty of Exchange

University of Chicago

CHICAGO, ILL.

January 31, 1940

Prof. Charles W. Morris

Emerson Hall

Harvard University

Cambridge, Mass.

Dear Charles:

In the meantime you will received my letter of Jan. 23rd and Ina’s of 26th.

I am returning Neurath’s letter. I am not sufficiently acquainted with Gerard’s work and views in order to pass judgment about him and his suitability as an author for the Encyclopedia. But I am willing to accept your suggestion that we ask him. I am simultaneously writing this to Neurath by air mail.

I am surprised to learn that Santillana1 George de Santillana (1902-1974) was an Italian-American historian of science. He wrote a monograph (to be more precise: the first part of it on rationalism) for the IEUS with Edgar Zilsel (1941): The Development of Rationalism and Empiricism. Chicago: University of Chicago Press (IEUS, II-8).’s ms. is already finished. I was not quite satisfied with certain features in his previous abstract concerning the development of mathematics, and especially the nature of geometry from the point of view of science. I believe that at that partition of the subject matter had not been cleared up, and, therefore, I said (I believe wrote so to Neurath) that I wanted to postpone my remarks S. would write a new abstract. But I have not got anything from since that time. I hope, I may now make these remarks when I shall have read the ms., although they might possibly involve greater changes in the ms.

I agree with you that the next unit of the Enc. should not be announced until the present one is much nearer to completion.

Cordially,

C.

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