John A. Dahlgren
American admiral and naval innovator

Born
November 13th, 1809
215 years ago
Died
July 12th, 1870
155 years ago — 60 years old
Category
Military & Warriors
Country
United States
Links & References
Born in 1809, this admiral served in the United States Navy and contributed significantly to naval warfare. He developed the Dahlgren gun, a revolutionary naval cannon that improved artillery capability on warships. He participated in the Mexican-American War and played a key role during the Civil War, commanding naval operations against Confederate forces. As a strong advocate for advancements in naval technology, his work laid the foundation for future innovations in naval artillery.
Developed the Dahlgren gun
Commanded naval operations during the Civil War
Other People Born on November 13th
Garry Marshall
An American actor, director, and producer contributed significantly to television and film throughout a career spanning several decades. Directed and produced the iconic television series 'Happy Days' and its spin-offs, including 'Laverne & Shirley' and 'Mork & Mindy'. Worked on successful romantic comedies including 'Pretty Woman', 'The Princess Diaries', and 'Valentine's Day'. Founded the 'Garry Marshall Theatre' in Burbank, California, promoting theatrical arts and local talent. Contributed to a range of philanthropic efforts, including initiatives supporting the arts and children’s programs.
Continue ReadingJesús García
Born in 1881, a railroad brakeman in Mexico. On January 7, 1907, an explosive fire broke out on a train carrying dynamite in the town of Nacozari. García took decisive action to avert a disaster, uncoupling the train cars to prevent a massive explosion in the populated area. His heroism resulted in a significant loss of life being avoided, though he sacrificed his own life in the process. The bravery displayed on that tragic day earned a lasting legacy, and the incident is remembered as a testament to courage in the face of danger.
Continue ReadingKim Polese
An entrepreneur and technology executive, made significant contributions to the software industry. Co-founded Marimba, a company specializing in web content distribution, which gained prominence in the late 1990s. Previously worked at Sun Microsystems, where played a key role in the development of the Java programming language. Established a reputation as a leader in technology innovation and business development.
Continue ReadingJohn Moore
A prominent general and politician from Scotland, played a significant role in the Napoleonic Wars. Commanded the British forces during the early engagements in Spain, particularly noted for leadership in the Battle of Coruña. Advocated for military reform and integration of light infantry tactics. Influenced subsequent military strategies in the British Army.
Continue ReadingEdward Adelbert Doisy
A prominent biochemist contributed significantly to the understanding of vitamins and hormones. Conducted pivotal research on the chemistry of vitamin K and its role in blood coagulation. Served as a professor at Washington University in St. Louis, influencing the field of biochemistry through teaching and research. Received the Nobel Prize in Physiology or Medicine in 1943, shared with another scientist for their work in the discovery of vitamins.
Continue ReadingStanisław Barańczak
A Polish-American poet, critic, and scholar, contributed significantly to the world of literature. His work highlighted the struggles for freedom and artistic expression in Poland during the Communist regime. Barańczak played a crucial role in the Solidarity movement, using poetry as a means of resistance. He translated numerous works of American poetry into Polish, fostering a cross-cultural literary exchange. Later, he became a professor at various American universities, enriching the academic landscape with insights from both Polish and American literatures.
Continue ReadingOther People Who Died on July 12th
Fred Marcellino
An author and illustrator, he produced a body of work characterized by vibrant illustrations and engaging storytelling. Contributions included illustrations for popular children’s books and original works such as ‘Puss in Boots’ and ‘The Tale of Peter Rabbit’. His unique style blended traditional techniques with modern sensibilities, appealing to both children and adults. Marcellino's illustrations garnered critical acclaim, leading to numerous awards throughout his career.
Continue ReadingBill Viola
A prominent video and installation artist, contributed significantly to the development of contemporary video art. Explored themes of life, death, and the human experience through immersive installations. Gained recognition with works such as "The Crossing," which showcased the profound emotional resonance of imagery and sound. Engaged with various technologies to create thought-provoking visual experiences that challenge perceptions of reality and time.
Continue ReadingElaine Morgan
A Welsh writer, contributed significantly to the field of evolutionary anthropology, particularly through the aquatic ape hypothesis. This hypothesis proposed that some human evolutionary traits may have developed in an aquatic or semi-aquatic environment. Published several books exploring this hypothesis, including 'The Descent of Woman' and 'The Aquatic Ape.' Engaged in public debates regarding evolutionary theory and anthropological perspectives, advocating for a broader understanding of human evolution. Also wrote extensively on issues concerning women's rights and societal roles.
Continue ReadingKenneth J. Gray
Served in World War II and became a decorated Army veteran. Entered politics following military service and represented Illinois in the U.S. House of Representatives from 1963 to 1975. Focused on issues such as education, defense, and transportation during tenure. After leaving Congress, continued involvement in politics and public service.
Continue ReadingAlfred Dreyfus
Born in 1859, this French military officer served as a captain in the French Army. In 1894, he was wrongfully convicted of treason, primarily due to anti-Semitic sentiments prevalent in France at the time. The case became a major political scandal, leading to widespread public debate over injustice, nationalism, and social values in France. The affair prompted significant public protests and involvement from prominent intellectuals, aiming to overturn the conviction. Eventually, in 1906, a court of appeals exonerated him, restoring his rank and name. The Dreyfus Affair had lasting effects on French society and politics, influencing debates around civil rights and military conduct.
Continue ReadingTheodore Roosevelt Jr.
Served as a general during World War II and held the position of Governor of Puerto Rico. Prior to his military service, held various roles in public office. Contributed to military strategies and governance initiatives. Active in the Republican Party and involved in several significant political decisions during his career.
Continue Reading