Tracing my (probable) WWI relation

Nathan Ward is 99% sure that Private A Hearn, who died in 1918, is his relation. He has papers a-plenty, notes from a distant cousin, and even an annotated family tree from them. But he can't quite see how his Albert Hearn matches the poor young man MIA in that final year of the First World War. Tune in as Nate and podcast co-host Helen Tovey weigh up the information and try to piece together the true story of the past.