Pierre Janssen
French astronomer and mathematician, solar studies
French astronomer and mathematician, solar studies
1907
119 years ago — 83 years old
Scientists & Innovators
France
Born in 1824, an astronomer and mathematician contributed to the field of solar research. Developed a method for studying the solar spectrum using a spectroscope and discovered helium in the solar atmosphere. Participated in the 1868 solar eclipse expedition to India, which provided significant observations. Served as a professor and participated in various scientific societies throughout his career.
Discovered helium in the solar atmosphere
Conducted solar research using spectroscopes
Participated in solar eclipse expedition of 1868
A religious leader established the Nation of Gods and Earths, also referred to as the Five Percent Nation, in the 1960s. This movement emphasized a unique interpretation of Islam, seeing its members as the 'Gods' of the planet. The ideology attracted followers primarily in urban communities, offering a distinctive philosophy rooted in self-awareness and empowerment. The teachings incorporated aspects of African heritage and the importance of knowledge of self. The organization has played a significant role in cultural expression, influencing music, particularly hip-hop, and various social movements over the decades.
Continue ReadingBorn in 1550, the 2nd Prince of Arenberg was a prominent military leader and statesman during the 16th century. He served in various military campaigns, particularly in the service of the Spanish crown. He played a significant role in the Wars of the Netherlands and was appointed Governor of Flanders. His leadership and strategic skills in battle contributed to his reputation as an effective commander. He also engaged in diplomacy and politics, representing his family's interests across Europe.
Continue ReadingAn Australian-American animator and producer, contributed significantly to early animation. Created the character Felix the Cat, one of the first cartoon stars. Established a successful studio in the 1920s focusing on animated shorts. Pioneered techniques that influenced the animation industry during the silent film era.
Continue ReadingAn accomplished actress and author, this individual gained prominence in the British theatre scene as well as in television and film. Notable performances include roles in the television series 'The Last of the Summer Wine' and 'The Bed-Sitting Room'. In the theatre, significant work included performances in 'The Graduate' and various productions at the National Theatre. As an author, written works include autobiographies reflecting on personal experiences in the entertainment industry and life in general. Contributions to the arts extend beyond performance, involving advocacy for various social issues.
Continue ReadingActive during the 18th century, focused on engraving and illustration. Contributed to the fields of art and design with an emphasis on decorative arts. Worked extensively for the Academy of Painting and Sculpture, holding significant influence within the art community. His engravings often depicted historical and mythological themes, showcasing the artistry of his time. Oversaw the advancement of various artistic techniques and engaged in collaborations with other artists to enhance the visual culture of France.
Continue ReadingA prominent figure in Peruvian politics, focused on social reform and anti-imperialism. Founded the Alianza Popular Revolucionaria Americana (APRA), a political party that sought to address issues of inequality and national sovereignty. Engaged in the struggle for democracy during periods of dictatorship and political turmoil in Peru. Elected to the Chamber of Deputies and served multiple terms. Exiled for his political activities but returned to Peru to continue advocating for his party's ideals.
Continue Reading