Here are the possible solutions for his memorial sculpture is still a work in progress clue
Answer
Clue
Relevancy
crazyhorse
Clue
His memorial sculpture is still a work-in-progress
dei
Clue
Opus ___ (Catholic teaching also called "the Work, work work work work")
Definition
DEUS, (Latin) god
fala
Clue
Small sculpture at the FDR Memorial
sufjanstevens
Clue
Singer-songwriter who announced after his album "Michigan" that he would do one for every state...still...still...workin' on that one. Two down, 48 to go!
pygmalion
Clue
His sculpture came to life
rodin
Clue
His "Crouching Woman" is in the Hirshhorn's sculpture garden