1632 - Born at Delft on the 24th of October.
1668 - He confirmed and extended M. Malpighi's demonstration of the blood capillaries, and six years later he gave the first accurate description of the red blood corpuscles, which he found to be circular in man but oval in frogs and fishes.
1673 - His discoveries were for the most part made public in the Philosophical Transactions of the Royal Society, to the notice of which body he was introduced by R. de Graaf.
1677 - He described and illustrated the spermatozoa in dogs and other animals, though in this discovery Stephen Hamm had anticipated him by a few months; and he investigated the structure of the teeth, crystalline lens, muscle.
1680 - He was elected a fellow.
- He noticed that yeast consists of minute globular particles, and he described the different structure of the stem in monocotyledonous and dicotyledonous plants.
1697 - He was chosen a corresponding member of the Paris Academy of Sciences.
1723 - He died at his native place on the 26th of August.
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