Michele Malandrone (1889 - 1976). See comments.
[From US Plant Patent 1524, October 23, 1956:] Michele Malandrone, Oakland, Calif.
[From US Plant Patent 1864, application December 31, 1958:] Michele Malandrone, Sessant d'Asti, Italy
[From Modern Roses V, 1958, p. 216:] Michele Malandrone, sessant d'Asti, Italy.
[From The Rose Annual, 1981, p. 116]: ...Malandrone was born in Sessant, near Turin. I think he spent many years in the United States as a gardener.
