Rankings Primer Arbiter Physicist Mathematician Contrarian QE Sites log Claims Sources Research notes

Hammond Castle Museum (hammondcastle.org)

Investigator (STEP I), run 2026-10-08. Saved page text (evidence trail, not for publication) is in research/pages/. Findings are leads, not verdicts.

Searched

Google: "John Hays Hammond Jr" Tesla 1911 1912 radio control collaboration letters Hammond Castle
Opened in Chrome: https://hammondcastle.org/about-john-hays-hammond-jr/ (curl got a stub)

Found

"After enrolling in Yale University's prestigious Sheffield Scientific School in 1906, Hammond Jr. would also come to be mentored by both Alexander Graham Bell and Nikola Tesla." John Hays Hammond Jr. lived 1888-1965 and is called the "Father of Radio Control"; the castle was built in 1926 (Henry Ford museum snippet).
A Purdue blog snippet: Benjamin Miessner worked for Hammond Jr. in 1911-1912 on radio-control.

Bearing on the claims

Claim 2 context: confirms a Tesla mentoring link. Nothing found supports the book's "permanent guest" or joint "science of robots" statements; no source found yet. Partial.