Small little creatures Antoni van Leeuwenhoek (1975)

Feature film about the discovery made by Leeuwenhoek - the invention of the microscope, through which it became possible to penetrate the secrets of the microcosm.

Rainier de Graaf writes a letter to scientists about the work of Anthony van Leeuwenhoek.

It's raining in Delft.

Anthony van Leeuwenhoek collects rainwater and looks at it through a microscope.

Leeuwenhoek observes bacteria in a microscope.

Leeuwenhoek shows them to his daughter and his friend.

Leeuwenhoek detects bacteria in various sources other than pure rainwater.

Leeuwenhoek observes various microorganisms through a microscope.

Leeuwenhoek talks about the supposed structure of microorganisms.

Experience with pepper.

Anthony van Leeuwenhoek writes a letter to the Royal Society of London about his discovery.

Frames with different microorganisms.

Leeuwenhoek discusses the response from London.

Rainier de Graaf informs Leeuwenhoek that his research has been confirmed and he has been elected to the Royal Society of London.

Leeuwenhoek shows Rainier de Graaf the microorganisms that live on his teeth.

Anthony van Leeuwenhoek's microscope.

the instruments of Anthony van Leeuwenhoek.

Later microscopes.

A modern microscope.