Mungo Ponton
Scottish inventor of photographic processes

Born
November 20th, 1801
223 years ago
Died
1880
145 years ago — 79 years old
Category
Scientists & Innovators
Country
Scotland
Links & References
Invention of the calotype, a photographic process that used paper coated with silver iodide. This process became foundational in the development of photography, allowing for multiple copies of images. His work also contributed to the study of light-sensitive materials and chemistry, influencing future advancements in photography. In addition to photography, Ponton was engaged in various scientific pursuits, including the study of horticulture.
Developed the calotype process
Advanced paper photography techniques
Other People Born on November 20th
Duane Allman
A celebrated guitarist, significantly contributed to the Southern rock genre. Co-founded the Allman Brothers Band in 1969, blending rock, blues, and jazz influences. Gained acclaim for virtuosic slide guitar techniques and soulful improvisation. Worked as a session musician, collaborating with various artists including Aretha Franklin and Wilson Pickett. Released acclaimed albums with the Allman Brothers Band, including 'At Fillmore East'. Tragically passed away in a motorcycle accident in 1971 at the age of 24, leaving a lasting legacy in the music industry.
Continue ReadingJustin Hoyte
Played as a right-back, primarily for Arsenal and Middlesbrough. Developed through Arsenal's youth academy and made a notable number of appearances for the senior team. Also represented the England under-21 national team. After his time at Arsenal, joined Middlesbrough, where he contributed to the team's performances in the Premier League. Later played for various clubs including Colchester United and Dagenham & Redbridge in lower leagues.
Continue ReadingDonald T. Campbell
A significant figure in social science, contributed to the fields of sociology and psychology. Developed the concept of 'social validity' and made significant advancements in research methodology. Promoted the understanding of experimental design, emphasizing the importance of context in psychological research. Authored various influential works, including 'Methodology of Research in Psychology'. Served as a professor at multiple institutions, including the University of California, Berkeley, and the University of Chicago.
Continue ReadingRémi Mathis
A historian and curator, this individual focuses primarily on historical interpretation and education. Significant contributions were made to various exhibitions and historical research projects, emphasizing the importance of public history. This individual has played a key role in promoting historical knowledge and engaging the public through curation and academic pursuits. Various partnerships with institutions have been established to enhance historical scholarship and accessibility.
Continue ReadingJosh Carter
Played college basketball at Texas A&M University, where a successful career included averaging 15.5 points per game during his junior year. Contributed significantly to the team during competitive seasons, leading to appearances in NCAA tournaments. Transitioned to professional basketball, competing in various leagues domestically and internationally. Participated in the NBA Development League and several overseas teams, showcasing skills in shooting and adaptability on the court.
Continue ReadingBarbara Hendricks
Born in 1948, this American-Swedish soprano gained prominence in the classical music scene. Training at the Juilliard School and the University of Illinois, she made her professional debut in the opera world. Became a celebrated performer in major opera houses and concert halls across Europe and America. Also ventured into acting, appearing in films that showcased her vocal talent. Received multiple awards, reflecting excellence in both her singing and acting careers.
Continue Reading