J. Fleck

From Memory Alpha, the free Star Trek reference.

You might also be looking for the article about Starfleet's Ensign Jerry Fleck.

J. Fleck was an officer of the Starfleet in the mid-22nd century.

Fleck was a part of the vehicle development team for the construction of the NX-01 Enterprise. His name was listed on Enterprise's dedication plaque. (Star Trek: Enterprise set artwork)

Fleck was named for production staff member Jerry Fleck.