A mezzo-soprano is a female singer with a range usually extending from the A below middle C to the F an eleventh above middle C. Mezzo-sopranos generally have a daker vocal tone than sopranos, and their vocal range is between that of a soprano and that of an alto.
... - first to navigate down the Amazon River
P
William Parry[?], (born 1790), Arctic explorer
Robert Edwin Peary, (1856-1920), first man to reach the North Pole
Auguste ...