Jaxck Cabot is a reference to Lovecraft
>There is a HP Lovecraft story called "Out of the Aeons", which features the Cabot Museum of Archaeology, housed in a private mansion, and located in Boston's Beacon Hill district.
>The Cabot House in Fallout 4 is a private mansion located in the Beacon Hill district of Boston.
>The first curator of the museum in Lovecraft's tale was a man named Pickman. This connects to another Lovecraft story called "Pickman's Model", which tells of a Bostonian artist who drew such terrible imagery he got thrown out of his art club.
>Just up the street from Cabot House in Fallout 4 is a place called Pickman's Gallery, a place were a serial killer named Pickman makes painting depicting varius horrible things, as well as using raiders and others he has killed for human art.
>Pickman's art galley in the Lovecraft story was located in Boston's North End district.
>Pickman's gallery in Fallout 4 is located in Boston's North End district.