Thanks to Craig for getting access to these photos for us. As I understand the story, he met a family friend, Norman Lawson, who was visiting HK, with the offer to help him get around HK. On meeting, he found that Norman had also bought a well-annotated photo album from his time in HK in the mid-1950s.
Norman kindly agreed to share the photos, so Craig borrowed the album, scanned all the pages, and here they are.
Craig also sent this brief introduction from Norman: