Phage filters

1835 Henry Doulton

Henry Doulton was not aware of filtering phages but he did !!!
And his phages saved Queen Victoria from cholera.

1884 Chamberland in Pasteur institute

It’s called with one of the 2 names or both i.e. Chamberland-Pasteur filter.

1891 Berkefeld

German article – English one is to be completed.