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Haldane Duncan ( born 25 July 1940 , Edinburgh , Scotland ) is a television producer and director , best known for his contributions to soap opera s. Career Early years In 1958 Duncan left George Heriot 's School in Edinburgh to take up a career in Insurance .
 Haldane Duncan, Edinburgh, Scotland, Duncan, Edinburgh
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Haldane Duncan, Edinburgh, Scotland, Duncan, Edinburgh