William Crookes
Chemist and physicist; inventor of the Crookes tube

Born
June 17th, 1832
193 years ago
Died
April 4th, 1919
106 years ago — 86 years old
Category
Scientists & Innovators
Country
United Kingdom
Links & References
Contributed significantly to the study of atomic structure and radiation. Conducted experiments in spectroscopy and developed new vacuum tubes that led to advancements in electronics. Demonstrated the existence of thallium in 1861 using spectroscopy. Worked on the properties of cathode rays, leading to the development of the Crookes tube, which was pivotal in the field of electron research. Later, investigated the properties of radioactivity and was involved in the study of psychic phenomena.
Developed the Crookes tube
Discovered thallium in 1861
Conducted early experiments in radioactivity
Other People Born on June 17th
Setsuko Hara
An acclaimed actress in Japanese cinema, recognized for performances in key films during the post-war era. Worked extensively with director Yasujirō Ozu, contributing to the emergence of modern Japanese film. Featured in notable films including 'Tokyo Story' and 'Late Spring', which are considered masterpieces of cinema. Became a prominent figure in the industry and influenced future generations of filmmakers and actors, while her work remains deeply celebrated in film studies and retrospectives.
Continue ReadingDavid Akeman
Born in 1915, a prominent figure in American bluegrass music and country. Gained popularity through performances on the Grand Ole Opry. Acclaimed for contributions to the genre, combining traditional Appalachian music with contemporary styles. Played the banjo and sang, showcasing his talent at various venues and recordings. His energetic performances and distinctive style influenced many artists in the bluegrass and country music scenes.
Continue ReadingShaun MacDonald
Born in 1988, this footballer began his career in the youth academy of Swansea City. He made his first team debut in 2006, accumulating significant appearances for the club. After a successful period at Swansea, he transferred to various clubs, including a notable stint at Wigan Athletic, where he contributed to the team's success in various domestic competitions. Later, he played for clubs such as Aberystwyth Town and Newport County, continuing to exhibit his skills on the field. Additionally, he represented the Welsh national team at various levels, showcasing his talents on the international stage.
Continue ReadingNewt Gingrich
Served as the 58th Speaker of the United States House of Representatives from 1995 to 1999. Played a key role in the 1994 Republican Revolution, leading the party to a House majority for the first time in 40 years. Authored the Contract with America, a legislative agenda that emphasized tax cuts, welfare reform, and a balanced budget. Contributed to the rise of conservative politics in the 1990s and later focused on historical and political commentary.
Continue ReadingLeander Paes
An accomplished tennis player, achieved success in both singles and doubles formats. Gained prominence on the ATP Tour and during Grand Slam events. Excelled in doubles, achieving multiple victories, including a significant partnership with Mahesh Bhupathi. Achieved Olympic success, winning a bronze medal in singles at the 1996 Atlanta Games. Competed in several Davis Cup matches representing India and contributed to the team's successes.
Continue ReadingAlexander Shulgin
A prominent pharmacologist and chemist, contributions focused on the synthesis and exploration of psychoactive compounds. Developed numerous substances including 2C-B and MDMA, examining their effects and therapeutic potential. Published comprehensive analyses of psychedelic substances in works such as 'PIHKAL' and 'TIHKAL', which provided detailed methodologies and personal accounts of experiences. Actively participated in the psychedelic research community, influencing both recreational and therapeutic interests in these compounds.
Continue ReadingOther People Who Died on April 4th
John Napier
A mathematician, physicist, and astronomer from Scotland, contributed significantly to early mathematics. Developed the concept of logarithms, simplifying complex calculations and laying groundwork for future mathematical advances. Published 'Mirifici Logarithmorum Canonis Descriptio' in 1614, introducing logarithms to a wider audience. Also invented the Napier's bones, an early calculating tool that aided multiplication and division. Engaged in various studies related to astronomy and designed a device for predicting the position of celestial bodies.
Continue ReadingEmmanouil Argyropoulos
A significant figure in aviation history, contributed to early aviation efforts in Greece. Engaged in various flying exhibitions and tested early aircraft designs. Established a reputation through numerous flights and advocated for aviation in the region. Died during a flight demonstration, marking a tragic end to a pioneering career in aviation.
Continue ReadingBenedict the Moor
A Franciscan friar who lived in Sicily, dedicated life to spirituality and charity. Canonized as a saint due to reputed miracles and contributions to the prayer community. His devotion to the poor and commitment to religious service garnered a significant following among the faithful. Renowned for a simple lifestyle and deep faith, he served as a model for many in the Franciscan order. Leadership in the local community illustrated profound spiritual influence during and after lifetime.
Continue ReadingGloria Swanson
A prominent actress and producer, this individual gained fame in the silent film era and transitioned into sound films. Best remembered for roles in 'Queen Kelly' and 'Sunrise: A Song of Two Humans,' the career spanned several decades. In 'Sunset Boulevard,' earned an Academy Award nomination for Best Actress, solidifying status as a significant figure in American cinema. Beyond acting, engaged in producing and was one of the first women to own a film production company, showcasing contributions to the industry.
Continue ReadingPeter Cooper
An American businessman and philanthropist contributed significantly to education and industry. Founded the Cooper Union for the Advancement of Science and Art in 1859, which provided free education to students. Developed the first patented gelatin dessert, leading to the creation of Jell-O. Was involved in the construction of the Atlantic Avenue Tunnel in Brooklyn, one of the first tunnels in the United States. Contributed to various civic causes, advocating for public education and social equity.
Continue ReadingLudwig Emil Grimm
Led a successful career as a painter and engraver. Specialized in fairy tale illustrations, contributing artwork for the Brothers Grimm's stories. Worked in watercolor and printmaking, creating detailed and imaginative images that brought stories to life. His artistic style influenced the visual representation of folklore during the 19th century. Established a reputation for being a significant illustrator of German children's literature.
Continue Reading