Were Al-Ghazali and Peter Abelard alive at the same time?
Yes. Al-Ghazali and Peter Abelard were alive at the same time for 31 or 32 years, from 1079 to 1111.
Peter Abelard was 31 or 32 when Al-Ghazali died.
Peter Abelard
French scholastic philosopher, theologian and preeminent logician
Born 1079 · died 21 April 1142, aged 62 or 63