Hans D. Baumann, Ph.D., P.E. is an inventor credited with over 200 patents. He also is a scientist with 105 publications to his name. He has international renown as a valve specialist and is an expert on aerodynamic noise of gases. He was named "Entrepreneur of the Year" and "One of fifty most important Industrial Innnovators". Wikipedia
The definitive Wikipedia entry for Hans D. Baumann. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Hans_D%2e_Baumann