New PDS Logo
New PDS Logo

New PDS Logo
New PDS Logo

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In Memoriam

In memory of influential people who made PDS what it is today

Click on a picture to read about each individual
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Warren Wertheimer

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      Mario J. Aranda 

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      Stan Sollid

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        Don Smith

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          Nicholas Certo Ph.D.

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          Betsy and Stu Leeb