T'cal was a famous scientist, considered to be of the same caliber as Albert Einstein. (TOS short story: "Devices and Desires")

Given the "T'-" prefix and the context of the reference in the story, T'cal was likely a Vulcan, though this is not a certainty.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.