Rehnquist proposed to Sandra Day O'Connor

William Rehnquist and Sandra Day (later O’Connor) both attended Stanford during the late 1940s and early 1950s. It has been known they dated.
An O’Connor biographer has found letters showing that Rehnquist proposed to her. She said no and married John O’Connor soon afterward.

Isn’t he somehow involved in The Terminator making an appearance?