Christian Thomsen Carl
Christian Thomsen Carl, Christian Thomasen Carl, Christian Thomæsen Carl, Christian Thomesen Carl, Christen Thomasen Carl or Christen Thomesen Carl, in German tradition Carlson or Karlson, rarely Carlsen( born 1676 in Assens, Funen- died 29 March 1713 in Greifswald, Swedish Pomerania) was a Danish naval officer.
He is known not only for his military career, but also for saving the town council's archives in Greifswald as well as the whole town of Anklam from being burned during the Great Northern War.
Franz Passow
Franz Ludwig Carl Friedrich Passow( September 20, 1786 – March 11, 1833) was a German classical scholar and lexicographer.
Eugen von Keyserling
Eugen von Keyserling( 22 March 1833 in Pockroy, Lithuania – 4 April 1889 in Dzierżoniów, Silesia) was a Baltic- German arachnologist.
He studied in the University of Tartu.
He was the author of" Die Spinnen Amerikas", and completed" Die Arachniden Australiens"( 1871- 1883) on behalf of Ludwig Carl Christian Koch.
Karl Christian Koch
Karl Christian Koch (born 3 April 1952) is a Danish former swimmer.
He competed in two events at the 1972 Summer Olympics.
Tharrhalea
Tharrhalea is a genus of crab spiders first described in 1875 by Ludwig Carl Christian Koch.
Ludwig Carl Christian Koch
Ludwig Carl Christian Koch
( 8 November 1825 – 1 November 1908) was a German entomologist and arachnologist.
He was born in Regensburg, Germany, and died in Nuremberg, Germany.
He studied in Nuremberg, initially law, but then turned to medicine and science.
From 1850, he practiced as a physician in the Wöhrd district of Nuremberg.
He is considered among the four most influential scientists on insects and spiders in the second half of the 19th century.
He wrote numerous works on the arachinoids of Europe, Siberia, and Australia.
His work earned him worldwide reputation as" Spider Koch".
Sometimes confused with his father Carl Ludwig Koch( 1778 – 1857), another famous arachnologist, his name is abbreviated L.Koch on species descriptions; his father's name is abbreviated C.L.Koch
Carl Hall (mountaineer)
Carl Christian Hall( 13 August 1848 – 6 May 1908) was a Danish mountaineering pioneer.
He was born in Frederiksberg as a son of Prime Minister Carl Christian Hall.
He made 46 first ascents of Norwegian mountains.
He was decorated Knight of the Order of St. Olav in 1890.
Paul Rée
Paul Ludwig Carl Heinrich Rée( 21 November 1849 – 28 October 1901) was a German author and philosopher, and friend of Friedrich Nietzsche.
Bomis (spider)
Bomis is a genus of crab spiders first described by Ludwig Carl Christian Koch in 1874.
Syd Solomon
Syd Solomon( July 12, 1917 – January 28, 2004) was an American abstract artist.
He spent most of his time in his homes in both East Hampton, NY and Sarasota, Florida which influenced many of his paintings.
His works have been featured at The Guggenheim, The Whitney, Corcoran Gallery of Art, The Wadsworth Athenaeum and several others.

Question: Who has more scope of profession, Syd Solomon or Ludwig Carl Christian Koch?
Answer: Ludwig Carl Christian Koch