Alfred Loewenstein

Alfred Léonard Loewenstein (11 March 1877 – 4 July 1928) was a Belgian banker and businessman. Loewenstein was worth around £12 million in the currency of the time (equivalent to £ million in ), making him the third richest person in the world at the time. 
Loewenstein died on 4 July 1928 after his body fell out of his private plane that was travelling over the North Sea, aged 51. The reason why he fell out of the plane is unknown as murder, accidental or suicide have been not been ruled out.