Wilhelm Schickard
German astronomer and mathematician

Born
April 22nd, 1592
433 years ago
Died
1635
390 years ago — 43 years old
Category
Scientists & Innovators
Country
Germany
Links & References
Contributed significantly to the fields of astronomy and mathematics. Developed an early mechanical calculator, known as the calculating clock, which was one of the first devices designed to aid in arithmetic calculations. Conducted important astronomical observations and worked on the concept of logarithms. His correspondence with other scholars of the time enriched scientific discourse across Europe.
Invented one of the first mechanical calculators
Contributed to the development of logarithms
Conducted early astronomical observations
Other People Born on April 22nd
Lewis Powell
Born in 1844, a soldier and member of the Confederate Army. Participated in the plot to assassinate prominent officials during the American Civil War. Attempted to kill Secretary of State William H. Seward on April 14, 1865, the same night as the assassination of President Abraham Lincoln. Captured and tried for murder, later executed by hanging.
Continue ReadingRita Levi-Montalcini
Completed medical studies and began research in neurobiology. Conducted pioneering work on nerve growth factor, leading to significant advancements in understanding nervous system development and function. Awarded the Nobel Prize in Physiology or Medicine in 1986 for discoveries regarding growth factors. Served as a professor of neurobiology at Washington University in St. Louis and received numerous honors and accolades throughout her career in academia and research.
Continue ReadingSpyros Markezinis
Served as Prime Minister of Greece from 1973 to 1974 during a critical period in Greek history. Played a significant role in the political transitions following the military junta that ruled Greece from 1967 to 1974. Engaged in various political and governmental positions throughout his career, contributing to discussions and reforms aimed at restoring democracy. Advocated for modernization and development within the country, emphasizing economic progress and social stability.
Continue ReadingRichard Diebenkorn
An influential American painter, contributions spanned several decades and movements. The works reflect a blend of abstraction and representation. Developed the Ocean Park series during the late 1960s and 1970s, celebrated for its innovative color and composition. Additionally, previously engaged in the figurative painting style, showcasing the human form in various environments. The artistic journey transitioned through different periods, showcasing evolution in style and technique. The work has been exhibited widely, and recognition includes significant gallery exhibitions.
Continue ReadingHanfried Lenz
Specialized in algebra and abstract algebra, significantly contributed to the field of mathematics through original research and the development of mathematical theories. Served as a professor at various institutions, mentoring numerous students and scholars. Authored several influential papers that explored topics such as group theory and lattice theory, contributing to the growth of modern algebra. Worked at institutes that furthered scholarly research and education in mathematics.
Continue ReadingPope Alexander VIII
Served as the Pope from 1689 until death in 1691. Oversaw the Catholic Church during a period marked by internal reform and external challenges. Addressed issues of clerical reform and church-state relations. Navigated complex political landscapes involving France, Spain, and the Holy Roman Empire. Worked to strengthen the authority of the papacy and mitigate the influence of rivals. Initiated construction projects in Rome, enhancing the city’s architectural heritage.
Continue Reading