, he would make the great voyage which led to his formulation of the theory of Natural Selection. After a brief rest in Singapore, he headed to the islands of the Moluccas group, where he made his preparations for exploring the region ("Alfred Russel Wallace [1823 1913]").
It was on this expedition that Wallace began to develop the idea that would be his version of Natural Selection. Charles Darwin was developing the same idea on his own after his voyage on the Beagle from 1831 to 1836. Wallace traveled to the Malay Archipelago to collect for various museums and private collectors, and at the time, he
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