43818
Karl Georg Christian von Staudt introduced this definition in " Geometrie der Lage " ( 1847 ) as part of his attempt to remove all metrical concepts from projective geometry .
 person: Karl Georg Christian von Staudt
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Karl Georg Christian von Staudt 
Answer:
 person: Karl Georg Christian von Staudt