Ernst Karl Abbe (23 Januar 1840 – 14 Januar 1905) wis a German pheesicist, optical scientist, entrepreneur, an social reformer.

Ernst Karl Abbe
Ernst Abbe.jpg
Born23 Januar 1840(1840-01-23)
Eisenach, Saxe-Weimar-Eisenach
Died14 Januar 1905(1905-01-14) (aged 64)
Jena, German Empire
ResidenceGermany
NaitionalityGerman
Alma materVarsity o Göttingen
Varsity o Jena
Kent forAbbe refractometer
Abbe nummer
Scientific career
FieldsPheesicist
InstitutionsVarsity o Jena
Doctoral advisorWilhelm Eduard Weber
Karl Snell
Doctoral studentsHeinrich Friedrich Weber
Ither notable studentsGottlob Frege