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  He discovered human blood groups and got the Nobel Prize award for it in 1930. picture-- https://www.biography.com/people/karl-landsteiner-9372736
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  He was a German immunologists that created the precipiten test for species.
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  The first man to use finger prints systematically in the United States.
pic--https://todayinsci.com/12/12_29.htm - 
  
  He was one of the first to set up a forensic science class at the University of Lausanna.
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  Began the systematic use of fingerprints in the U.S. for criminal identification.
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  The first to use geologic evidence in a criminal case.
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  They developed a test for blood based on benzidine.
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  Published L'enquete criminelle et les methodes scientifique. Gave a rise to forensic precept that "Every contact leaves a trace."
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  Federal Bureau of Investigation was established.
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  Established forensic geology with the Margarethe Filbert case.
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  Was a professor of forensic medicine published the first hair study.
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  Was the first to establish a police crime laboratory.
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  Developed a microscopic crystal test for hemoglobin
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  Published the first article about individualizing bullet markings.
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  Built the first mass spectrometer that is known as the hyperbola spectrograh