Answer
Herbert Feith, Ailsa Thomson Zainuddin, and George McTurnan Kahin were scholars and close friends of Kurnianingrat. Feith was a renowned Indonesian historian and political scientist, Zainuddin was an anthropologist and expert on Malay studies, and Kahin was a leading scholar of Southeast Asian history. Together, they contributed significantly to the understanding of Indonesian and Southeast Asian politics, history, and culture, leaving a lasting impact on the field.