Which German, together with Ernst Abbe, developed and produced many new lenses and heat resistant glasses?
which german, together with ernst abbe, developed and produced many new lenses and heat resistant glasses
FreebaseQA-train-6827.P0
ernst abbe
ernst abbe
m.02lhz2
user.lindenb.default_domain.scientist.worked_with
m.01cq8b
carl zeiss