1. Antonie van Leeuwenhoek, pioneering microscopist, observed in 1702 that dry sediments of "animalcules", expected to be dead, were brought back to life when exposed to rain water.
2. Antonie van Leeuwenhoek, pioneering microscopist, observed in 1702 that dry sediments of "animalcules", expected to be dead, were brought back to life when exposed to rain water.
