Martin Bernal, whose three-volume work “Black Athena” ignited an academic debate by arguing that the African and Semitic lineage of Western civilization had been scrubbed from the record of ancient Greece by 18th- and 19th-century historians steeped in the racism of their times, died on June 9 in Cambridge, England. He was 76.

The cause was complications of myelofibrosis, a bone marrow disorder, said his wife, Leslie Miller-Bernal.

“Black Athena” opened a new front in the warfare over cultural diversity already raging on American campuses in the 1980s and ’90s. The first volume, published in 1987 — the same year as “The Closing of the American Mind,” Allan Bloom’s attack on efforts to diversify the academic canon — made Mr. Bernal a hero among Afrocentrists, a pariah among conservative scholars and the star witness at dozens of sometimes raucous academic panel discussions about how to teach the foundational ideas of Western culture....