Giovanni Antonio Galli combining theory and practice in his teaching method, and at that time unusual in teaching the subject in a medical and surgical school. He died in 1782. Citations Sources Giovanni Antonio Galli Giovanni Antonio Galli (1708–1782) was a physician who pioneered the teaching of obstetrics in Bologna using three-dimensional models. Giovanni Antonio Galli was born in 1708. He was appointed a Professor in the School of Surgery of the University of Bologna. Galli opened a school on obstetrics in his house. He encouraged Anna Morandi Manzolini, wife and assistant of the wax anatomical modeler Giovanni Manzolini, to give private lectures
Manzolini Libellula Libellula III) was built and a four-seat Libellula IV was planned but Manzolini stopped development in the late 1960s. Manzolini Libellula The Manzolini Libellula was a 1950s Italian co-axial twin-rotor helicopter designed by Ettore Manzolini. "Libellula" is the Italian word for "Dragonfly". Ettore Manzolini established a company in Rome, Italy to develop a helicopter he had designed. The design was the Manzolini Libellula an unusual co-axial helicopter. The co-axial arrangement eliminating the need for an anti-torque rotor allowed the helicopter to have a twin fin arrangement. The Libellula (Registered I-MANZ) first flew on 7 January 1952. An improved version was