Title: Siegfried Czapski
Content:  Siegfried Czapski (28 May 1861 – 29 June 1907) was a German physicist and optician.
Title: Siegfried Czapski
Content:  Czapski was the son of Simon Czapski (1826–1908) and his wife Rosalie Goldenring (1830-1916) on the Obra estate near Koschmin in the Province of Posen. His family was Jewish, and he was related to the physician Albert Neisser. In 1870 Czapski's father suffered a serious accident which left him unable to work. The family sold their estate and moved to Breslau (Wrocław) where, in 1872, eleven-year-old Czapski began attending school at the Maria Magdalenen Gymnasium. In 1879 he completed his university entrance examination (together with Wilhelm Prausnitz, Richard Reitzenstein and Felix Skutsch) and spent a semester studying at the University of Göttingen, attending lectures by Eduard Riecke (physics), Moritz Abraham Stern (mathematics) and Rudolf Hermann Lotze (philosophy). At the start of his second semester he switched to the University of Breslau, studying physics under Oskar Emil Meyer, Ernst Dorn and Felix Auerbach, mathematics under Jakob Rosanes and philosophy under Jacob Freudenthal. It was during this period that he embarked on a friendship with Arthur Heidenhain (1862–1941) which led to a lifelong exchange of letters.
Title: Józef Czapski
Content:  Józef Czapski (3 April 1896 &ndash; 12 January 1993) was a Polish artist, author, and critic, as well as an officer of the Polish Army. As a painter, he is notable for his membership in the Kapist movement, which was heavily influenced by Cézanne. Following the Polish Defensive War, he was made a prisoner of war by the Soviets and was among the very few officers to survive the Katyn massacre of 1940. Following the Sikorski-Mayski Agreement, he was an official envoy of the Polish government searching for the missing Polish officers in Russia. After World War II, he remained in exile in the Paris suburb of Maisons-Laffitte, where he was among the founders of Kultura monthly, one of the most influential Polish cultural journals of the 20th century.
Title: Józef Czapski
Content:  signing the Sikorski-Mayski Agreement, Czapski joined the Polish II Corps under the command of General Anders. Between 1941 and 1942, Czapski was tasked with investigating the disappearance of Poles who had been in the captivity of the NKVD and subsequently massacred. He never received any satisfactory answers as to the fate of these men, but wrote about his experiences in two books, Reminiscences of Starobyelsk (1944) and The Inhuman Land (1949). During that period Czapski also met Aleksey Nikolayevich Tolstoy and Anna Akhmatova who is said to have dedicated one of her poems to him. Anders subsequently removed his army through the Persian Corridor, and in Baghdad Czapski began writing for the Polish army newspapers Orzeł Biały ('White Eagle') and Kurier Polski ('Polish Courier').
Title: Czapski
Content: Jan Chryzostom Czapski (1656 – 1716), Polish statesman ; Józef Czapski (1896 – 1993) Polish artist, author, critic, and an officer of the Polish Army ; Ceclava Czapska (1899–1970), impostor of Grand Duchess Maria Romanov ; Maria Czapska (1894–1981), Polish writer and historian ; Emeryk August Hutten-Czapski (1897–1979), politician, military officer, diplomat and Bailiff of the Polish Sovereign Military Order of Malta ; Karol Hutten-Czapski (1860–1904), Mayor of Minsk between 1890 and 1901 ; Bogdan Hutten-Czapski (1851–1937), politician, curator of the University of Warsaw and the Warsaw University of Technology, President of the Association of Polish Knights of Malta ; Emeryk Hutten-Czapski (1828–1896), politician, historical collector and numismatist, founder of The Emeryk Hutten-Czapski Museum ; Stanislaw Hutten-Czapski (1779–1844), Colonel in the Napoleonic wars ; Franciszek Stanisław Hutten-Czapski (1725–1802), Polish Senator, Governor of Chelmno Czapski (feminine: Czapska) is a Polish surname. It belongs to Polish noble House of Czapski (also Hutten-Czapski) of Leliwa coat of arms heraldic clan. The surname may refer to:
Title: Czesław Czypicki
Content:  Czesław Czypicki (1855-1926) was a Polish lawyer from Kożmin, activist for the singers societies. His father was a forester. After graduating from a Junior High School in Braniewo, he studied law in Wroclaw. He did his internship in a court in Jastrowie (Western Pomerania), and then settled in Koźmin Wielkopolski. In 1895, he co-founded the Association of Industrial Societies in Poznań. He also co-founded the Bank Parcelacyjny in Poznań.
Title: Józef Czapski
Content:  Czapski was deeply Catholic, and his faith influenced his works and personal philosophy, but also his struggles with sexuality. In the years 1924-1926 he entered a relationship with a poet Sergey Nabokov, younger brother of Vladimir Nabokov; it was ended by Czapski's departure to London, in order to cure his typhoid fever. Returning to Poland, Czapski met the writer Ludwik Hering. The pair lived together for a few years in Józefów, and despite the fact that they were separated by World War 2 and subsequent emigration of Czapski, they maintained the love for years by exchanging letters.
Title: Józef Czapski
Content:  the next one was held only in 1986 in Warsaw. He signed a letter of Polish émigré writers who supported the Letter of 59. Polish People's Republic censored information about Czapski and had his name on a list of the people completely banned from publication. His literary and artistic works were popularized in Poland only after 1989. Czapski died 12 January 1993, and three days later was buried on a cemetery in Le Mesnil-le-Roi, by the side of his sister Maria, who died in 1981. Czapski was awarded the Silver Cross of the Order of Virtuti Militari (1918–1920) and the Commander's Cross of the Order of Polonia Restituta (1990).
Title: Siegfried Czapski
Content:  His interest in physical and technical optics (the design and fabrication of optics) enabled him to gain a position at Carl Bamberg's workshop for scientific precision instruments (subsequently known as the Askania works). Keen to explore these areas in more depth, he approached Ernst Abbe from the Zeiss works in Jena. Abbe soon appointed Czapski as his assistant – a post he held until 1886 – and involved him in his discussions with the physicist Leonhard Sohncke from the University of Jena. As Abbe's assistant, Czapski maintained a relatively loose connection to Zeiss as a company and continued to accept work from Bamberg, but all that changed in 1886 when he was hired to work full-time at Zeiss, becoming Abbe's most trusted employee with the approval 
Title: Siegfried Czapski
Content:  His most important publication was Theorie der optischen Instrumente, nach Abbe (Breslau: Trewendt, 1893).

Question: What is Siegfried Czapski's occupation?
Answer: physicist.