In biology, a trait is a genetically inherited property. The alleles for a trait occupy the same locus on homologous chromosomes. If the alleles for a trait in one organism are different, the trait of the dominant allele shows in the phenotype.
... Ralph Bunche[?], diplomat, winner of the Nobel Peace Prize
April 16 - Fifi D'Orsay, actress (+ 1983)
April 22 - Robert Oppenheimer, physicist (+ 1967)
May 6 - Harry ...