Black and white image of Hewlett and Nowell Johnson with a group of… Black and white image of Hewlett and Nowell Johnson with a group of friends in Hong Kong in 1964. According to Nowell's Diary for the holiday they arrived in Hong Kong on Tuesday 12th May, and that evening met Mr. Percy Chen, a barrister, and his wife. There is no information about the other people in the picture. 12.5.1964