After the death of Norman L. Dean, in 1972, his son, Norman R. “Bob” Dean was appointed Trustee in Trust of the Dean collection. The collection includes all of the inventor’s notes, correspondences, diaries, contracts, original models, photo’s and drawings. Since 1982, the collection has been sorted, and is in the process of being indexed for the use of Dean researchers.

Qualified individuals and organizations, wishing to research Dean’s inventions may contact the Dean Trust Library for further information concerning materials which are being prepared as selected libraries recorded on CD’s.

The Trust receives many inquires concerning Dean’s life and work. While the Dean System Drive, also known as the Dean Space Drive, was the most widely known work of Dean, he had several areas of interest, and was well regarded for his work as the inventor of the first non-precessing gyroscope. The gyroscope, which was developed under secret contracts with the US Navy and MIT’s instrumentation lab in 1948-1969, was the device that made today’s modern inertial navigation systems possible.

Dr. C. S. Draper, of MIT was quoted as saying in 1948, upon his first introduction to the Dean device, that “this is the first stellar spatial inertial gyroscope” …”it is well in advance of anything we had hoped to achieve in ten years”.

- Bruce D. Dean
Curator, Dean Trust Library
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