Kofi Annan, Janice Tchalenko, Hugh Synge, Helen MacLeod, Hettie Williams

Pictured: Kofi AnnanJulian Worricker on:Diplomat Kofi Annan, who rose through the ranks of the United Nations, to serve as its secretary-general for nine years....Janice Tchalenko, a ceramicist, designer and artist, who bridged the gap between art and large-scale production...The botanist, Hugh Synge, voted one of the 20 most influential British conservationists....One of the finest harp players of her generation - Helen MacLeod - a champion of the music of the West Highlands of Scotland...And Hettie Williams, who at 23, led her class of terrified pupils to safety during the Aberfan disaster.Archive clips from: Night Waves, Radio 3 10/10/2012; Surviving Aberfan, BBC Four 20/10/2016; Saturday Review, BBC TV 02/11/1985; See Hear, BBC TV 01/02/2012.