7792
It introduced the Gaussian gravitational constant , and contained an influential treatment of the method of least squares , a procedure used in all sciences to this day to minimize the impact of measurement error .
 person: Gaussian
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Gaussian 
Answer:
 person: Gaussian