Possible Clues:

• “You might call me a pathologist,” said the ___
• Pioneer, innovator
• Pioneer with time to complain furiously over jacket
• Unusual tribal zeal essentially betrays leader
• *Follow
• Leader
• Pioneer to line jacket
• Pioneer from Brazil later beaten up
• *Bill Walton, in the 1970s [43]
• Pioneer’s dog lying on striped jacket, perhaps?