1930, south east London. My mother, Margaret (then 5), was expected to look after her little brother Stan (3). The R100 airship passed over their street, and Stan fell over, badly cutting his knee. 88 years later (atow), he still has the scar. Many of my mother's friends died in childhood from diseases like diptheria and TB. The R100 made a successful maiden flight to Canada, but was later scrapped after the crash of another British airship, the R101.