Dr. Daniel R. Ladner received his PhD in Low Temperature Experimental
Physics from Ohio State University in 1983. Dr. Ladner comes to Equinox
Interscience with 29 years experience in cryogenics, superconductivity, fluid
dynamics, and instrumentation/testing with 10 years in technical project
management. Since 1994, he has been actively involved in Pulse Tube Cryocooler
R&D, including the development and testing of both laboratory and flight
cryocooler hardware. At Lockheed Martin Astronautics he was Payload Manager
and PI for the Miniature Pulse Tube Cryocooler Experiment that flew on STS-90
(April 1998) and on STS-108 (Nov 2001). He collaborated with NIST on a 150K
one-stage coaxial cooler to replace inefficient TECs in space instrument
applications. In 1997 he demonstrated high accuracy thermometry (± 0.005 K)
using commercial devices for NOAA satellite emissivity calibrations.
In 1992-93 Dr. Ladner was Assistant Program Manager at DoE in High
Temperature Superconductor Technology. In 1985-89 Dr. Ladner developed a
Cryogenic R&D Lab at Ball Aerospace and managed development of a spaceflight
prototype adiabatic demagnetization refrigerator, operated at 0.18 K for a
SIRTF far-IR requirement.
In 1980-85 Dr. Ladner was a space physicist at NASA-MSFC Space Science Lab
and a member of the NASA/ SAO team for the IR Telescope on Spacelab 2 (1985).
He received a NAS Fellowship, NASA & SAO Outstanding Performance and Group
Achievement Awards. He has authored numerous publications and technical
reports in the fields of cryogenic engineering, low temperature physics, and
flight hardware performance.
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