This page contains information regarding Star Trek: Picard, and thus may contain spoilers.
The golem was a type of humanoid android created by Doctor Altan Inigo Soong at the Coppelius Station in 2399. In preparation for the event of his passing, Dr. Soong intended to place his consciousness into the body of the golem through a mind transfer. He enlisted the aid of Dr. Agnes Jurati in the completion of this project. (PIC: "Et in Arcadia Ego, Part 1")