1) James Chambers, historian, born in Ireland, educated at Harrow and Christ Church, Oxford, in addition to books, wrote and presented TV programs, died of leukemia in 2012.
2) James Chambers, lives in NY, writer of horror/crime/fantasy/SF, most work here
(others are listed elsewhere on site)
3) please identify
4) Chambers, James, 1920-1989, American hornist