146192
From 1949 he spent fourteen years on the staff of the Australian National Antarctic Research Expeditions ( ANARE ) , spending 1950 at Macquarie Island and 1955 at Mawson Station in Antarctica as a cosmic ray and auroral physicist , establishing cosmic ray observatories in each case .
 None
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:  
Answer:
 None