Nikolai Kardashev

Astrophysicist and scale creator

Nikolai Kardashev - Astrophysicist and scale creator
Born

April 25th, 1932
93 years ago

Died

2019
6 years ago — 87 years old

Category

Scientists & Innovators

Country

Russia

Links & References

Contributions to astrophysics focused on the classification of civilizations based on their energy consumption led to the creation of the Kardashev Scale. This scale categorizes civilizations into Type I, II, and III based on their ability to harness energy from their home planet, star, and galaxy, respectively. Worked at the Institute of Space Research of the Russian Academy of Sciences. Engaged in studies related to the search for extraterrestrial intelligence and the structure of the universe. Published extensively on cosmology and a variety of scientific subjects, influencing both academic circles and the popular understanding of advanced civilizations.

Development of the Kardashev Scale

Research on extraterrestrial intelligence

Publication of works on cosmology

Other People Born on April 25th

Finn Helgesen

Norwegian speed skater, Olympic medalist
Born
April 25th, 1919 106 years ago
Died
2011 14 years ago — 92 years old

Competed in speed skating events during the mid-20th century. Achieved notable success in international competitions, including the Winter Olympics. Represented Norway in various championships, contributing to the country's prominence in speed skating during that era. Secured multiple medals, showcasing skill and dedication to the sport. Remembered as a vital part of Norway's speed skating history.

Continue Reading

Jeffrey DeMunn

American actor in The Shawshank Redemption
Born
April 25th, 1947 78 years ago

An actor with a career spanning several decades, contributed to film and television with numerous roles. Gained recognition for performances in major films and series, including a significant role as Dale Horvath in the television series The Walking Dead. Built a reputation through collaborations with notable directors and participation in various successful projects.

Continue Reading

Daniel Kash

Actor and director, prominent in film industry
Born
April 25th, 1959 66 years ago

A Canadian actor and director, gained recognition through roles in acclaimed productions. Appeared in the film 'Aliens' as Sergeant Apone, showcasing talents in action cinema. Directed and acted in various stage and screen projects, contributing to both Canadian and international film and theater. Worked extensively in television, with appearances in series such as 'The Outer Limits' and 'Due South'.

Continue Reading

Joyce Ricketts

American baseball player from the 1950s
Born
April 25th, 1933 92 years ago
Died
May 8th, 1992 33 years ago — 59 years old

Played as a pitcher in women’s professional baseball. Competed in the All-American Girls Professional Baseball League (AAGPBL) from 1951 to 1954. Participated in the 1953 season with the Fort Wayne Daisies. Contributed to the league during its progressive years, representing the growing participation of women in sports.

Continue Reading

Graham Payn

Actor and singer in musical theatre
Born
April 25th, 1918 107 years ago
Died
November 4th, 2005 20 years ago — 87 years old

South African-born English actor and singer gained recognition in musical theatre. Appeared in productions such as 'The Sound of Music' and 'The King and I'. Had a significant career performing in London's West End and other prominent venues. Collaborated with a variety of composers and playwrights, bringing a range of characters to life on stage. Developed a reputation for vocal talent and stage presence.

Continue Reading

Jacque Jones

Baseball player and coach, World Series champion
Born
April 25th, 1975 50 years ago

Played Major League Baseball for the Minnesota Twins, Chicago Cubs, Detroit Tigers, and Florida Marlins from 1996 to 2008. Served as a hitting coach for several teams after retirement. Achieved success in professional baseball with significant contributions to each team and won a World Series title during his playing career.

Continue Reading