Not really an explorer, but a key figure...
http://www.blupete.com/Hist/BiosNS/1700-63/Boscawen.htm (http://www.blupete.com/Hist/BiosNS/1700-63/Boscawen.htm)
http://planter2010.ca/bio/bio-35337-boscawen1711.html (http://planter2010.ca/bio/bio-35337-boscawen1711.html)
http://www.cornwall-calling.co.uk/famous-cornish-people/boscawen.htm (http://www.cornwall-calling.co.uk/famous-cornish-people/boscawen.htm)
http://www.biographi.ca/009004-119.01-e.php?BioId=35337 (http://www.biographi.ca/009004-119.01-e.php?BioId=35337)