Siegmund Gabriel (7 November 1851 – 22 March 1924) was a German chemist.
Life and work
Gabriel was born in Berlin and went to school in Berlin. After studying a few semesters at the University of Berlin, Gabriel studied at the University of Heidelberg and received his Ph.D. for work with Robert Wilhelm Bunsen 1874. He was professor at the University of Berlin till 1921. He discovered the Gabriel Synthesis in 1887 and reported what became the Robinson–Gabriel synthesis in 1910.