A plaque in the city of Kaunas, Lithuania, honouring Dutch diplomat Jan Zwartendijk, who helped save the lives of thousands of Lithuanian Jews during the second World War. Photograph: Petras Malukas/AFP via Getty Images A campaign is under way to award the Netherlands’s highest honour to a quiet diplomat who became known as “the Dutch Schindler” because he saved the lives of thousands of Lithuanian Jews by issuing visas allowing them to avoid Nazi extermination camps. Jan Zwartendijk, who was born in 1896 and died aged 80, was head of Dutch conglomerate Philips in Lithuania, and as acting consul there...