42801
The oldest human fossils found to date in the British Isles , which include the skull of Swanscombe Man from 400,000 years ago , and the earlier Clactonian Man , also date from this period .
 British Isles, Swanscombe Man, Clactonian Man
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 British Isles, Swanscombe Man, Clactonian Man