Frieda Gallati was born into a family of a lawyer Rudolf Gallati. Graduated from secondary school in Zurich. Starting in 1896, she studied at the University of Zurich, where she received her doctorate in history in 1902; she was the second Swiss woman to do so. In 1907, she married professor Wilhelm Melchior, from whom she divorced again in 1915.[2][3]
Gallati was a specialist in the field of Swiss foreign policy during the Thirty Years' War. She is considered the most important connoisseur of Aegidius Tschudi.