Great answers! Okay, I added some names (cheated with MZ and UY) and this is what we have so far:
HB: Harry Belafonte, Halle Berry, Humphrey Bogart,
EC: Eddie Cantor
AD: Angie Dickerson
LF:
IG: Indira Gandhi
NH: Nathaniel Hawthorne (American Novelist, short story writer)
GJ: George Jones, Geroge Jessel
WK:
EL: Estee Lauder
LM: Liza Minelli
LN: Liam Neeson
LP: Linus Pauling
YR:
MS: Martin Scorsese
ET: Elizabeth Taylor
FV: Frankie Valli
OW: Owen Wilson
RX: RX Bandits
UY: Ursella Yandress **cheat
MZ: Margaret Zatcher (Thatcher) **cheat
**Cheats could be replaced with "real people" if anyone can think of any, LOL