to the attention of French electron microscopists has resulted 

 in a freely flowing stream of reprints from authors of newly 

 published papers. From Switzerland regular collections of re- 

 prints from the entire country have been received at one time 

 as a result of the industry of Alain Gautier, Secretary of the^ 

 Section d'Optique et de Microscopie Electroniques of the Comite 

 Suisse d'Optique. The widespread benefits of these endeavors 

 is self-evident. 



We are grateful to the thousands of microscopists who 

 have generously responded to our requests for reprints. These 

 reprints are the raw material from which the IBEM is constructed. 

 They help to assure accurate references and subject analyses. 

 We continue to believe, however, that without being solicited, 

 investigators should promptly submit their reprints for index- 

 ing, feeling the same responsibility for securing bibliographic 

 recognition of their work as they do for initially publishing 

 their findings. 



The NYSEM and particularly the IBEM were fostered at 

 their inception by The New York Academy of Sciences through 

 its Executive Director, Mrs. Eunice Thomas Miner, whose assist- 

 ance and counsel are appreciatively recalled. 



The IBEM was undertaken with a grant from the Li Ilia 

 Babbitt Hyde Foundation. During the period that the number of 

 subscribers was growing to the point where the IBEM would be- 

 come self-supporting, the Hyde Foundation aided with further 

 grants. This and the aid of the following organizations is 

 gratefully acknowledged: Radio Corporation of America, Philips 

 Electronics, Inc., Farrand Optical Co., Optical Film Co., and 

 U. S. Public Health Service (Grant C-2725) . 



It is a pleasure to mention the following members of 

 NYSEM whose personal contributions at various times have 

 helped to assure the success of the IBEM: 



Harry M. Allred Councilman Morgan 



Chester J. Calbick George E. Palade 



A. R. T. Denues Keith R. Porter 



Robert M. Fisher Helmut Ruska 



Marlene Friedlaender Paul Skiba. 



Kenneth T. Morse, Bibliographer 



and 

 Dan H. Moore, Chairman 

 Bibliography Committee 

 April 9, 1959 



IV 



