Esteemed guitarist Jeff Golub has died at 59. Golub studied at Berklee and was known as a solo artist as well as a sideman/session man with such acts as Rod Stewart, Peter Wolf, and Billy Squier. Regarding his condition, Jazz Times says:
The precise cause and place of death have not yet been reported but Golub had experienced a series of physical setbacks in recent years that ultimately caused him to no longer be able to perform. He was later diagnosed with more serious, at first unidentified, issues later determined to be a rare and incurable brain disorder called Progressive Supranuclear Palsy (PSP).
Read more at Jazz Times.