It's possible you're thinking of the following:
* Michael Faraday: This was a character in LOST, played by Jermey Davies. He was a physicist and a member of the Oceanic 815 survivors. His expertise was often used in solving technical problems on the island.
* Michael Faraday (the real scientist): This is a famous scientist who made significant contributions to the fields of electromagnetism and electrochemistry. He is not connected to the TV show LOST.
If you have more context or details about what you're looking for, I might be able to help you further!