1890 – First pasteurizer

Bitter reported that by heating milk for 30 minutes at 154° F. the process was sufficient to thoroughly pasteurize the milk. He built first pasteurizer with spiral coil. The primary way to make sure of the safety of milk was through pasteurization, a process Pasteur invented in the 1860s, although not used to purify milk until…

1890 – Koch discovered tuberculin

In 1890, Koch returned to his work on tuberculosis. He sought to arrest the disease by means of a preparation, which he called tuberculin, made from cultures of tubercle bacilli. He made two preparations of this kind called the old and the new tuberculin respectively, and his first communication on the old tuberculin aroused considerable…

1888 – Dr. Andrija Štampar

Poznati hrvatski liječnik dr. Andrija Štampar rođen je 1. rujna 1888. godine u Brodskom Drenovcu. Medicinu je diplomirao u Beču 1911. godine nakon čega je radio kao općinski liječnik u Novoj Gradiški, a potom kao zdravstveni savjetnik Povjereništva za socijalnu skrb Narodnoga vijeća u Zagrebu. Od 1919. do 1930. godine djelovao je kao načelnik higijenskog…

1887 – Sergei Winogradsky – Pioneer in Environmental Microbiology

Sergei Winogradsky founded microbial ecology and he was a founding father of microbiology. In an unusually long scientific career, he: Discovered chemosynthesis– an entirely new mode of life, in which the energy to build organic molecules comes from chemical reactions rather than from sunlight in the more familiar photosynthesis. We now know there are a great many…

1881 – The Alkali Act

The Alkali Act was passed in Great Britain to regulate pollution connected with the production of superphosphates. The Alkali Act regime was overhauled and expanded in the Alkali & c. Works Regulation Act 1881, which, significantly, placed responsibility for the system into the hands of the local Government Board. This made the context in which this facet…