Series I. Correspondence, 1926-1970, undated

Arranged alphabetically by subject, this series contains Ernst Berl’s professional and personal correspondence. A majority of the materials in this series were generated by Berl during his tenure as Research Professor of Chemical Engineering at the Carnegie Institute of Technology. The files in this series contain Berl’s correspondence with fellow chemical engineers and scientists, including, but not limited to Jules Bebie and Heinz Heinemann. This series also contains Berl’s correspondence with a number of business concerns who were interested in his scientific research and patents, including, but not limited to, The Distillers Company, Limited and Monsanto Chemical Company. Also preserved in this series is Ernst Berl’s correspondence with his younger son Herbert Berl, who served as his father’s patent attorney. Correspondence files regarding a number of subjects, including, but not limited to miscellaneous individuals, scientific topics of interest to Berl, scientific organizations, and United States government agencies are found in this series as well.

The contents of the Correspondence files consist mainly of letters. A small amount of accompanying materials, including, but not limited to, article reprints, clippings, paper manuscripts, and legal documents are found in these files as well.