|Wednesday, March 11, 2009||50A||Proto-matter from which the universe was made||Caleb Madison|
|Sunday, January 18, 2004||117A||Protomatter of the universe||Arlan and Linda Bushman|
|Thursday, October 2, 1997||51A||Substance from which the universe was created||Christopher Hurt|
3 results for YLEM from older pre-Shortz puzzles.
|Friday, November 2, 1990||8D||Primordial substance of the universe||Kevin Boyle||Maleska|
|Sunday, January 14, 1990||76D||Theoretic primordial source of all elements||Kay Sullivan||Maleska|
|Sunday, April 21, 1985||21A||Primordial substance||Edward Marchese||Maleska|