Ruce Lemming did not exist in time. Technically he didn't exist at all. He was a character from an unfinished story by an unknown fantasy writer named Seferin Fane.

“Sinkronisity” by Stephen Faulds
first in the series ‘Journeys Through Now Then and Everywhere’

available on amazon:
https://tinyurl.com/yb88vkkp

join mailing list for news about the series:
https://tinyurl.com/y2gmf3qk