Among his writings is curating Emigranti alla conquista della foresta (translated=Migrants to the conquest of the forest), which promotes the colonization of Costa Rica.
In 2005, at the age of 86 years, he participated in project SpaceLand Sansonetti, a flight in a weightless environment on a Boeing 727 -200.
Starting from Bordeaux, France, it was the first parabolic flight to accommodate ordinary citizens, and the first to bring on board an octogenarian.
Author: Curator: Introducing: Herzel G. Weizmann, Emigranti alla conquista della foresta (Migrants to the conquest of the forest).
Promoted Italian colonization in Costa Rica: San Vito de Java, Franco Angeli, 1985.