Robert Koch was a German microbiologist and physician. One of the prominent co-founders of modern bacteriology, Koch is credited with creating and improving laboratory techniques and technologies in the field of microbiology. He is also credited with making important discoveries in public health. In 1905, Robert Koch won the Nobel Prize in Physiology or Medicine for his research on tuberculosis.

Sucharit Bhakdi is a Thai-German retired microbiologist. Although a reputed scientist with a number of prestigious awards under his belt, Bhakdi achieved infamy during the COVID-19 pandemic when he claimed that the pandemic was fake and that the vaccines were being administered to decimate the world's population. Sucharit Bhakdi is the recipient of the Gay-Lussac Humboldt Prize among other awards.

German surgeon and botanist Heinrich Anton de Bary is regarded as the pioneer of plant pathology and mycology. Apart from teaching botany, he chalked the life cycles of many fungi and also coined the term symbiosis to explain the mutually beneficial co-existence of many orgnanisms, such as fungi and algae.

Born to a German army surgeon, bacteriologist Friedrich Loeffler followed in his father’s footsteps and served as an army doctor for a while before becoming an academic. He later co-discovered the Klebs-Löffler bacillus, the organism that causes diphtheria, and developed a serum to detect it, apart from founding a microbiology-oriented journal.

Max Schultze was a German microscopic anatomist best remembered for his work concerning cell theory. He is credited with coining many botanical names and the author abbreviation M.Schultze is generally used to indicate Max Schultze as the author when citing a named coined by him.

August von Wassermann was a German hygienist and bacteriologist. He is best remembered for developing a complement fixation test that allowed for early detection of syphilis in 1906. The test helped prevent the transmission of the disease and played a major role in the diagnosis of syphilis. In 1921, August von Wassermann became the first winner of the Aronson Prize.

Friedrich Karl Kleine was a German pharmacologist and microbiologist. He is best remembered for developing the first successful remedy for African trypanosomiasis or sleeping sickness. Friedrich Karl Kleine was the recipient of several prestigious awards, including the Bernhard Nocht Medal, which was awarded to him in 1925.