Bob Marley was a Jamaican singer-songwriter and musician who is widely regarded as one of the most influential reggae artists of all time. He was the leader of the band The Wailers, and his songs such as 'No Woman No Cry' and 'One Love' are some of the most popular reggae songs ever recorded. Marley's music was heavily influenced by his Rastafarian beliefs, and he is credited with helping to spread the message of Rastafari around the world. He died in 1981 at the age of 36, but his legacy lives on through his music and his influence on the reggae genre.