Craters Froelich Origin of the name Jack Edward (Froehlich); American rocket scientist (1921-1967). When to observe it … Nearby Lovelace 64 km Haber 126 km Catena Sylvester 149 km Sylvester 158 km Merrill 161 km Poinsot 192 km Grignard 194 km Hermite 196 km