Robert C. Duncan has cruised throughout the New England and Maritime Canadian coasts with his father, Roger F. Duncan, coauthor of the fifth through eleventh editions of the Guide.
Robert's son, Roger S. Duncan, coauthored those sections of the Guide that cover Cape Cod and the islands northeast to the Canadian border.
Paul W. Fenn, president of Jeanneau America, Inc., a subsidiary of the French boatbuilder, makes his home in Annapolis, Maryland. He grew up cruising the water from Noank to Cape Cod, Martha's Vineyard, Nantucket, and eastward.
W. Wallace Fenn, longtime coauthor of the Guide, has visited in his small sloop almost every harbor from Rye, New York, eastward to Narragansett Bay.