Pierre Janssen
French astronomer and mathematician, solar studies
French astronomer and mathematician, solar studies
1907
118 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 professional basketball player excelled in the NBA during the 1960s and 70s. Played primarily as a small forward, contributed significantly to the Chicago Bulls and Philadelphia 76ers. Instrumental in the 76ers' 1967 NBA Championship victory. Transitioned into a successful career in sports broadcasting after retirement.
Continue ReadingServed as the commander-in-chief of the Continental Army during the American Revolutionary War. Played a crucial role in leading American forces to victory against Great Britain. Appointed as the first President of the United States, serving two terms from 1789 to 1797. Established many protocols for the new government and set a precedent for future presidents in both domestic and foreign policy. His leadership helped shape the presidency and the nation itself.
Continue ReadingBorn in 1819, this individual was a prominent American poet and critic, contributing significantly to the literary landscape of the 19th century. Associated with the Fireside Poets, published works included notable collections such as 'A Fable for Critics' and 'Under the Willows'. Apart from poetry, engaged in literary criticism and journalism, editing influential magazines like 'The Atlantic Monthly'. Also involved in social reform efforts and advocated for abolitionism and education.
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Continue ReadingAn actor featured in a variety of films and television series. Achieved recognition for roles in the 'Beverly Hills Cop' series, portraying Detective John Taggart. Also had significant appearances in 'Midnight Run' and 'The Last Boy Scout'. His career began in the 1970s and spanned several decades, often appearing in comedic roles.
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