Willi Hennig

Biologist and entomologist, founder of phylogenetic systematics

Willi Hennig - Scientists & Innovators born April 20th, 1913
Born
Died

1976
50 years ago — 63 years old

Category

Scientists & Innovators

Country

Germany

Links & References

A German biologist and entomologist contributed significantly to the field of systematics. Established the principles of phylogenetic systematics, a method that classifies organisms based on evolutionary relationships. Developed the concept of cladistics, which emphasizes the use of shared derived characteristics for classification. Authored the influential book 'Phylogenetic Systematics' in 1966, which spurred a new direction in biological classification. His work laid the groundwork for modern evolutionary biology.

Founded phylogenetic systematics

Published 'Phylogenetic Systematics' in 1966

Developed the concept of cladistics

Other People Born on April 20th

Rosalynn Sumners

Figure skater and world champion athlete
Born
April 20th, 1964 62 years ago

A prominent figure skater achieved considerable success in the 1980s. Skated for the United States and won the World Figure Skating Championships in 1982. Competed in the 1984 Winter Olympics, finishing in fourth place. Known for a strong technical ability and artistic performance.

Continue Reading

Luke Kuechly

American football linebacker
Born
April 20th, 1991 35 years ago

Played linebacker in the National Football League (NFL) for the Carolina Panthers. Achieved significant success during tenure, earning accolades for performance on the field. Recognized as a leading defender, contributing to the team's defensive strategies. Retired from professional football after the 2019 season, emphasizing a focus on health and personal well-being.

Continue Reading

Heinrich Göbel

German-American mechanic and engineer
Born
April 20th, 1818 208 years ago
Died
1893 133 years ago — 75 years old

Born in Germany, a mechanic and engineer emigrated to the United States in the mid-19th century. Contributed to the development of light bulbs. Patented a carbon filament light bulb in the 1850s, predating Thomas Edison's more famous version. Engaged in various mechanical projects and inventions during his career in America.

Continue Reading

Jason Behrendorff

Cricketer, IPL champion with Mumbai Indians
Born
April 20th, 1990 36 years ago

Born in 1990, this Australian cricketer specializes as a left-arm fast bowler. Behrendorff made significant contributions to the Australian national team in limited-overs formats. He gained prominence during the 2015-16 domestic season and made his international debut in 2017. His performance in the Indian Premier League (IPL) for the Mumbai Indians contributed to the team's success in winning the championship. Additionally, Behrendorff represented Australia in various international tours, further establishing his role in the bowling lineup.

Continue Reading

Princess Beatrice of Saxe-Coburg and Gotha

Royal figure and family member
Born
April 20th, 1884 142 years ago
Died
1966 60 years ago — 82 years old

Born in 1884, a member of the British royal family, served as a significant figure in royal duties and ceremonial functions. She held the title of a princess and was involved in various charitable organizations throughout her life. She was the daughter of Prince Henry of Battenberg and Princess Beatrice of the United Kingdom. The princess had a close relationship with her grandmother, Queen Victoria, and took on various responsibilities within the royal family, especially concerning the upbringing of her children. She maintained connections with royal and noble families across Europe, fostering important relationships.

Continue Reading

James Harcourt

English character actor in theatre
Born
April 20th, 1873 153 years ago
Died
1951 75 years ago — 78 years old

An English character actor who became prominent in the early 20th century. Harcourt frequently appeared on stage, particularly in London theatres, and earned acclaim for his performances in a variety of plays. His work extended to film, where he portrayed various distinct characters that showcased his range as an actor. Harcourt contributed significantly to both dramatic and comedic theatre, engaging audiences with his compelling performances until his retirement.

Continue Reading