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Algis Budrys was born on January 9, 1931 and died on June 9, 2008. Algis Budrys would have been 77 years old at the time of death or 81 years old today.
Depends where it is in the sentence. "The birthday girl and I are going to eat cake." "Give the cake to the birthday girl and me." If it helps with compound subjects or nouns like this, imagine...