Series I. Chronological Files, 1957-2004, undated

Arranged chronologically by date, this series contains Leonard F. Herzog’s chronological files. These files primarily document Herzog’s business activities with Nuclide Corporation and its corporate successor Measurement and Analysis Systems, Incorporated (MAAS). Smaller, but noticeable, amounts of materials documenting his business activities with Scientific Products, Incorporated (SPI) and Science Centre, Incorporated (SCI) are also found in this series. To a lesser extent, Herzog’s business activities with Ho-Par Corporation and some of his personal affairs are also documented here.

Correspondence and internal memoranda make up the bulk of the materials in the Chronological Files. Small amounts of other miscellaneous materials, including, but not limited to, phone reports, meeting notes, quotes, articles, and orders are preserved in these files as well.