115 1859-1941 1879-1955 albert astronomie astronomy bergson biography einführung einstein filosofie france geschichte henri histoire history kwantummechanica natuurkunde nonfiction philosophers philosophy physicists physics quantentheorie quantumtheory relativite(physique) relativitegenerale(physique) relativiterestreinte(physique) relativity(physics) relativitätstheorie ruimte-tijd-theorie tijd time unitedstates