John Kierein — A PF Quark on Physics Forums. 10 contributions to physics, math and engineering discussions since 2015.
J
John Kierein
Ret'd spacecraft systems & space physics exp'ts
Master's, BS Physics and MBA Business
A PF Quark From Boulder Colorado USA
- Joined
- Last seen
Profile posts Latest activity Postings About Trophies
-
Loading…
-
Loading…
-
Loading…
-
Loading…