<P> Based upon several Hadith narrations of Muhammad, Jesus can be physically described thus (with any differences in Jesus' physical description being due to Muhammad describing him when seeing him at different occasions, such as during his ascension to Heaven, or when describing Jesus during Jesus' second coming): </P> <Ul> <Li> A well - built man of medium / moderate / average height and stature with a broad chest . </Li> <Li> Straight, lank, slightly curly, long hair that fell between his shoulders . </Li> </Ul> <Li> A well - built man of medium / moderate / average height and stature with a broad chest . </Li> <Li> Straight, lank, slightly curly, long hair that fell between his shoulders . </Li>

Who's life are the terms bc and ad based upon