Bischoffsheim, Raphaël  Louis  (sponsor)
Garnier, Jean Charles Louis (architect)
Eiffel  Alexandre Gustave (engineer)
Gautier, Paul Ferdinand (instrument-maker)
Henry brothers, Paul Pierre et Prosper Mathieu (opticians)
Loewy, Maurice (Moritz) (astronomer)
Perrotin, Henri Joseph Anastase (astronomer)
Thollon, Louis (astronomer)
Charlois, Auguste (astronomer)
Giacobini,  Michel (astronomer)
Nordmann, Charles (astronomer)
Cornu, Marie Alfred (physicist)
Bassot, Jean Antonin Léon ( general)
Chrétien,   Henri (optician)
Schaumasse, Alexandre (astronomer)
Fayet,  Gaston Jules(astronomer)
Cassini, Jean Dominique (Giovanni Domenico) ( astronomer)

(work in progress...)