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
Professional baseball player featured primarily as a pitcher in Major League Baseball. Played most of career with the Baltimore Orioles from 1959 to 1966. Selected as an All-Star in 1966, showcasing exceptional skills on the mound. Also played for the New York Yankees and the Atlanta Braves, contributing to each team's pitching rotation during his tenure. Gained recognition for strong performances during the 1960s, including a significant role during critical matchups.
Continue ReadingAmerican bass player and songwriter contributed to the heavy metal band Black Sabbath during the mid-1980s. Joined the band for the album 'Seventh Star' in 1986, marking a period of transition for the group. His contributions shaped the sound of the album and influenced subsequent live performances. Participation in the band's tours during this time helped maintain their popularity, despite changes in line-up and style.
Continue ReadingPlayed international cricket for England from 1989 to 1996 as a fast bowler. Represented Birmingham City in domestic cricket. Made a notable debut against India in 1990, taking 9 wickets in the match. Achieved a career-best of 9 for 57 against South Africa in 1994. Contributed significantly to England's performance in the 1996 Cricket World Cup.
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 ReadingBorn in 1891, this individual was a prominent figure in the economic and political landscape of Soviet Russia. Acting as a key economist, he contributed significantly to financial policies and state planning during a transformative period in the early 20th century. Serving as a member of the Communist Party, he held various significant positions within the government, influencing economic strategies and reforms. His career included leadership roles that shaped agricultural policies and the management of the Soviet economy. The person's tenure spanned several crucial years, impacting the socio-economic structure of the country.
Continue ReadingContributions to microbiology and immunology provided insights into the mechanisms of cancer. Research focused on the genes involved in the development of cancerous cells. Awarded the Nobel Prize in Physiology or Medicine in 1989 for discoveries related to growth factors. Worked at the University of California, San Francisco, where significant strides were made in understanding the genetic basis of cancer.
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