88590
This peak was discovered and mapped by the Third German Antarctic Expedition of 1938 – 39 and was named for Capt. Alfred Ritscher , leader of the expedition .
 Alfred Ritscher
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Alfred Ritscher