asteroids, 971 Alsatia and 1114 Lorraine, in 1921 and 1928, respectively. GastonFayet, director of the Observatory in Nice, gave him the responsibility of
directors: Henri Perrotin (1880–1904) General J. A. L. Bassot (1904–1917) GastonFayet (1917–1962) Jean-Claude Pecker (1962–1969) Philippe Delache (1969–1972)
years, later recalculated as 8 years. The 1919 return was recovered by GastonFayet (Paris, France) as magnitude 10.5. The 1927 approach was magnitude 12