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matthaus daniel poppelman (may 3, 1662 - january 17, 1736) was a german master builder who helped to rebuild dresden after the fire of 1685.

der blaue reiter (the blue rider) was a group of artists. the group was founded by a number of russian emigrants, including wassily kandinsky, alexej von jawlensky, marianne von werefkin, and native german artists, such as franz ma

gerardus mercator (1512-1594) was a cartographer. he is remembered for the mercator projection world map, which is named after him. this proved very useful to many later navigators who could (using his map) sail across the entire o