Matthew Bannister on

The Pakistani qawwali singer Amjad Sabri. A huge star in his homeland, he was shot dead in his car in Karachi.

The auctioneer Lorna Kelly who turned her back on a glittering New York lifestyle to work with Mother Teresa.

The psychologist Jerome Bruner whose work brought new insight into how children learn.

Bob Holman who gave up his academic career to live and work with people on housing estates.

And Scotty Moore who played guitar on many of Elvis Presley's biggest hits.

Producer: Dianne McGregor.