That's Jan Swammerdam, a  Dutch microscopist from the 1600s.

莫莉：这是 Jan Swammerdam，一位 1600 荷兰显镜学家。

For the smallest fry these are often rotifers, a phylum of tiny animals discovered in the late 17th century by early microscopists.

最鱼苗通常会喂轮虫，轮虫是17世纪晚期由早期显镜学家发现一门物。

These cells were originally named that by early microscopists, who noticed that emanating from one end of the cell was a little cluster of bristles.

早期显镜学家发现，这些细胞一端长有一撮纤毛，毛细胞名字便由此而来。