R' Joseph Chajim (Heimann) Caro, A.B.D Wloclawek

Author of Minchas Shabbos מנחת שבת, Kol Omer Koro קול אומר קרא, T'evach vehochein טבח והכן and Yoreh Umalkosh יורה ומלקוש.

See: [http://toladot.blogspot.com/2013/08/blog-post_13.html]

[https://sztetl.org.pl/en/towns/s/282-sluzewo/99-history/138039-hist...
The last paragraph of the above link reads as follows: One of the most famous figures was Josef Chaim (Heimann) Caro from Służewo. He was born in 1800 in Służewo. At the age of 13, he moved to Gniezno together with his parents Zelig and Lea. After a few years, he married Szewa, a daughter of Konin Rabbi Cwi Hirsch and a granddaughter of Rabbi Nachman Amsterdam. He spent 9 years as a rabbi in Fordon (1851-1859). Earlier, he was a rabbi in Pniewy (1840-1851). He left Fordon and moved to Włocławek on 10 November 1859. He was born in 1800 in Służewo. When he lived under the German rule, he had a hostile attitude to the so-called Polish matter and the plans to rebuild Poland. After moving to Włocławek, he changed his opinions and expressed it during irredentism of 1863/1864. He died in Włocławek on 19 October 1895. He was numbered among the supporters of Judaism reform. He kept an active contact with the leader of the supporters of the reform (misnagds) in the Kingdom of Poland – Ber Meisels (1798-1870). He was a father of a few sons and a daughter Cecylia. Two of the sons went down in the history of Poland and Germany. The oldest one, Jacob (born in Gniezno in 1836, died in 1904) belonged to the circle of the most eminent German historians studying the history of Poland. He was the author of one of the first syntheses of the history of Poland (v. 1-5 published in 1863 – 1888). His younger brother Jecheskiel (Ezekiel) was born in Pniewy in 1845. He died in 1915. He graduated from the middle school in Bydgoszcz, university and rabbinical seminary in Wrocław. He took his doctorate in Heidelberg. He served as a rabbi in Łódź, Tczew, Gniew, Erfurt, Pilzno (the Czech Republic) and Lviv (1891-1915). He spent the last years of his life as a rabbi and a preacher in ‘Progressive Synagogue’ in the years 1891-1915 in Lviv. In 1894, he worked out a Jewish religion curriculum in Galician popular, department and secondary schools. He studied local historiography as well. The third of the brothers, Heinrich was born in 1834 in Poznań, died in 1910 in Dresden. He studied chemistry in Berlin. He worked in BASF Company for many years and worked on dyes synthesis. Together with Adolf von Baeyer, he was an author of a patent for a production of indigo dye[1.12], Caro Jecheskiel (Ezekiel), [in:] Polski Słownik Biograficzny, Kraków 1937, v. 3, p. 205; F. Kupfer, Ber Meisel i jego udział w walkach wyzwoleńczych narodu polskiego (1846, 1848, 1863-1864)(Ber Meisel and his participation in the struggles for liberation of Polish nation 1846,1848,1863-1864), Warszawa 1953, pp. 13, 76, 126. ]].

מחבר קול אומר קרא וטבוח טבח והכן. נתפרסם במלחמתו בעד מצות מכונה.