Complex sentence: August Paul von Wassermann (21 February 1866-16 March 1925) was the German bacteriologist who developed a complement fixation test for the diagnosis of syphilis in 1906, just one year after the causative organism had been identified.
Split into simpler sentences: August Paul von Wassermann (21 February 1866-16 March 1925) was the German bacteriologist. He developed a complement fixation test for the diagnosis of syphilis in 1906, just one year after the causative organism had been identified.