Siegfried Bosch is a German mathematician working in arithmetic geometry, focusing in particular on nonarchimedean analytic geometry.
He completed his Ph.D.
in 1967 at the University of Göttingen with a dissertation entitled Endliche analytische Homomorphismen (Finite analytic homomorphisms), and received his habilitation degree in 1972.
Since 1974 he has been a professor at the University of Münster.
Bosch is the author of several books in algebra and geometry.