In Europe

After a year of military service in the Austro-Hungarian Army, he worked for his former chemistry teacher, Ferdinand Breinl, in Reichenberg. There he published a paper on the oxidation of proteins by hydrogen peroxide. He then joined the group of Eugen Bamberger at the University of Zurich as a private assistant.^[1][2]

In 1907 he joined the University of Manchester where he worked with William Henry Perkin, Jr. During this time he published his work on Cupferron, a complexation agent later used for the quantitative analysis of copper and iron.^[3] Baudisch left London in 1909 and worked in the dyestuff industry for some time. In 1911, he worked with Alfred Werner in Zurich, and obtained his habilitation.^[1][2]

Just before the outbreak of World War I, he became director of the Strahlenforschungsinstitut (radiation research institute) in Hamburg. During the war, Baudisch served in the Austria-Hungary army in the fields of medicine and epidemic control. After the war he joined the Kaiser Wilhelm Institute for Physics in Berlin.^[1][2]

In America

In 1920, he assumed a professorship of photochemistry at Yale University. Two years later, he moved to the Rockefeller Institute for Medical Research where he concentrated his research on trace minerals in soil and water. In 1933, he was asked to head the New York State Institute of Balneology and Hydrotherapy at Saratoga Springs, New York.^[4] During his time at this institute he also worked on the impact of trace minerals in water on health.^[1][2] During this time he published on iron-pyridine complexes.^[5]

In 1939 Baudisch discovered the copper-catalyzed reaction of phenols and hydroxylamine hydrochloride to give o-nitrosophenols. This reaction is today known as the Baudisch reaction.^[6]