In September 1940 an incendiary bomb set fire to the Natural History Museum in London. Two months later when the débris was being cleared it was discovered that some Albrizzia Julibrissin seeds a hundred and fifty years old had begun to sprout. Heat and hose-water had induced germination. Unsuspected life which had persisted through a century and a half was suddenly revived by the ravages of war.
1 The Inaugural Lecture of the United Theological Faculty delivered in the Gillespie Hall, St. Andrew's College, in the University of Sydney, on 14th March 1949.