| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Good Lord! With absolute zero heirs at his death in 1907, this physicist's peerage became extinct | Lord Kelvin | $800 | DJ | GIANTS OF SCIENCE | 1997-10-03 | #3010 | |
| 19th century British physicist William Thompson, who developed a temperature scale, was known by this name | Lord Kelvin DD | $1,500 | DJ | PHYSICAL SCIENCE | 1990-09-12 | #1383 |