Jakob Luke Dylan, born on December 9, 1969, in New York City, is an American singer-songwriter known for his role as the lead vocalist, guitarist, and primary songwriter of the rock band the Wallflowers, which he founded in 1989. The son of renowned musician Bob Dylan and model Sara Lownds, Jakob Dylan's musical journey began with various indie bands before forming the Wallflowers. The band gained widespread recognition with hit songs such as "One Headlight", "6th Avenue Heartache", "The Difference", and "Three Marlenas", and won two Grammy Awards. In addition to the Wallflowers' success, Jakob Dylan has released two studio albums as a solo artist. His debut album, "Seeing Things", was released in 2008, followed by "Women + Country" in 2010, which peaked at number 12 on the Billboard 200 chart. Jakob Dylan's passion for music was fueled by his exposure to English rock records during his formative years, and his dedication to songwriting and performing has solidified his place in the music industry. His talent and achievements have left an indelible mark on the rock music landscape.

Jakob Ammann, born on 12 February 1644 in Erlenbach im Simmental, Switzerland, was a Swiss Anabaptist leader and the namesake of the Amish religious movement. He was known for his firm disciplinarian approach and uncompromising beliefs, expecting others to conform to the teachings of Christ and His apostles. Ammann's involvement in church matters dwindled as he approached old age, and his death date and place remain unknown. Despite scarce materials, it is understood that he emphasized the importance of true saving faith and practical separation in everyday life. His rejection of longstanding customs and practices that were not founded on God's Word was notable. Ammann's teaching and day-to-day life are not well-documented, but his impact on the Amish religious movement is evident. His conversion to Anabaptism sometime between 1671 and 1680 marked a significant turning point in his life, and he was ordained to the ministry by 1693. Although not much is known about his personal life, Ammann's influence on the Amish religious movement continues to be studied and revered.

Jakob Pelletier, born on March 7, 2001, is a talented professional ice hockey left winger currently playing for the Philadelphia Flyers in the National Hockey League (NHL). His journey in the world of hockey began at a young age, starting to skate at three and displaying his skills alongside his older brother Thomas at the novice level. Pelletier's remarkable talent continued to shine through his amateur career, leading his teams to numerous victories and earning accolades such as Player of the Game and playoff MVP. His exceptional performance in the Quebec Major Junior Hockey League (QMJHL) led to his selection by the Moncton Wildcats, where he made a significant impact as a rookie and continued to impress with his offensive prowess and physical play. Notably, Pelletier's contributions earned him a spot on Team Canada's U18 team for the 2018 Hlinka Gretzky Cup, where he played a pivotal role in securing a gold medal for his team. His remarkable achievements and dedication to the sport have solidified his position as a promising talent in the world of professional ice hockey.

Jakob Steiner (18 March 1796 – 1 April 1863) was a renowned Swiss mathematician, celebrated for his pioneering work primarily in the field of geometry. Born in Utzenstorf, Canton of Bern, Steiner's mathematical journey began under the guidance of notable figures such as Heinrich Pestalozzi and A. L. Crelle. His exceptional abilities caught the attention of esteemed mathematicians like Carl Gustav Jacob Jacobi, leading to the establishment of a new chair of geometry for him at Berlin.Steiner's mathematical contributions were marked by their exceptional generality, resourcefulness, and rigorous proofs. He was a proponent of synthetic geometry and made significant advancements in projective geometry, introducing the concept of projective duality and the Steiner conic. His notable works include "Systematische Entwickelung der Abhängigkeit geometrischer Gestalten von einander" and "Vorlesungen über synthetische Geometrie". Steiner's impact extended to algebraic curves, surfaces, maxima and minima problems, and combinatorics, solidifying his position as one of the greatest pure geometers since Apollonius of Perga.Steiner's legacy continues to inspire mathematicians and geometers, with his profound influence evident in the modern understanding of geometry and its applications. His work remains a testament to the enduring significance of pure geometric inquiry and innovation.

Jakob Kaiser (8 February 1888 – 7 May 1961) was a prominent German politician and resistance leader during World War II. His political career began as a member of the Reichstag and later the Bundestag, and he served as the first Federal Minister of All-German Affairs from 1949 to 1957. Born in Hammelburg, Lower Franconia, Kaiser initially pursued a career as a bookbinder before entering the political arena as a member of a Catholic trade union. He played a key role in the Christian labor movement during the Weimar Republic and later joined the Centre Party, eventually becoming a representative chairman.Kaiser fiercely opposed National Socialism and joined the resistance in 1934, leading to his arrest by the Gestapo in 1938. Following his release, he became involved in the Cologne-resistance circle and formed close associations with prominent figures like Carl Goerdeler and Claus von Stauffenberg. After World War II, Kaiser returned to politics and co-founded the East Berlin division of the Christian Democratic Union (CDU), becoming its president. He advocated for progressive political views and the nationalization of major industries.Despite his progressive beliefs, Kaiser was critical of the Communist Party of Germany and its Soviet-supported leaders. He was forced to leave East Berlin in 1948 and joined the West German CDU, where he became a major rival of Konrad Adenauer. Kaiser passed away in 1961, leaving behind a