Prof. Roger Louis Ludin, PhD

Title:  Mechanical Engineering Professor Emeritus
 
Company: California Polytechnic State University, San Luis Obispo
 
Location: Morro Bay, California,
United States 
 
 
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James R. Birchak, PhD

Title: Physicist, Consultant
Location: Spring, TX United States
 
 
 
 
 
 
 

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