Question: Both Arthur T. Gregorian and Robert Nalbandyan belongs to which national?
Sentence (from "Joseph S. Iseman"): As a lawyer at the firm of Paul, Weiss, Rifkind, Wharton & Garrison LLP, Iseman notably managed the estates of composer Cole Porter, writer Vladimir Nabokov, writer Jean Stafford, poet Robert Lowell, writer A. J. Liebling, artist Robert Motherwell, writer and historian Theodore H. White, "Saturday Review" and its editor Norman Cousins, and playwright Arthur Miller.
Relevant evidence: No