Distributors may purchase multiple copies of packages to distribute to learners, and follow their progress. Bulk discounts are below.
| Quantity | Price per voucher |
|---|---|
| 1+ | $106.00 |
Dr. Ray Radebaugh is a NIST Fellow Emeritus with the Applied Chemicals and Materials Division. He joined NIST in 1966 as a post doc for the first two year and stayed on in a permanent position since then. He was the leader of the Cryogenic Technologies Group from 1995 until his retirement in 2009. His research focused on cryogenic refrigeration and material properties. He has taught short courses on cryocoolers since 1981.