who invented the gas mask in world war 1
Cluny Macpherson (physician) Cluny Macpherson CMG FRCS (March 18, 1879 â€“ November 16, 1966) was a physician and the inventor an early gas mask.[1] After World War I he served as the president of the St. John's Clinical Society and the Newfoundland Medical Association.
Marcus Álvarez
Craig MacTavish He is notable as the last NHL player to not wear a helmet during games.[1][2][3]
Alonso Álvarez de Pineda