Nettie Stevens

Geneticist recognized for chromosomal research

Nettie Stevens - Scientists & Innovators born July 7th, 1861
Born
Died

1912
113 years ago — 51 years old

Category

Scientists & Innovators

Country

United States

Links & References

A pioneering geneticist contributed significantly to the understanding of sex determination in organisms. Conducted extensive research on chromosomes in various species, particularly the mealworm. Established that the presence of specific chromosomes was pivotal in determining the sex of an individual. Conducted experiments that led to the identification of the X and Y chromosomes' roles in genetic inheritance. Played a fundamental role in laying the groundwork for the field of genetics, influencing future studies and research.

Discovered sex chromosomes in mealworms

Published significant research on chromosomal behavior

Other People Born on July 7th

Robert A. Heinlein

Science Fiction Writer, Starship Troopers
Born
July 7th, 1907 118 years ago
Died
May 8th, 1988 37 years ago — 80 years old

One of the most influential science fiction authors, contributed significantly to the genre through innovative concepts and storytelling. Wrote several acclaimed novels, with notable works including 'Starship Troopers' and 'Stranger in a Strange Land'. His works often explored themes of individualism and social commentary, shaping modern science fiction literature. Also worked as a screenwriter, adapting works for television and film, marking a notable presence in both literary and visual storytelling arenas.

Continue Reading

Erwin Bumke

German lawyer and jurist
Born
July 7th, 1874 151 years ago
Died
April 20th, 1945 80 years ago — 70 years old

Bumke served as a prominent German lawyer and jurist in the early 20th century. His career included significant roles in the legal field, particularly in constitutional law. Bumke contributed to the development of legal education and was an influential figure in German jurisprudence. He held various academic positions and participated in legal reform discussions during the Weimar Republic period. His work focused on the intersection of law and government, shaping future legal frameworks.

Continue Reading

Helô Pinheiro

Model and inspiration for a classic bossa nova
Born
July 7th, 1945 80 years ago

Born in 1945, a Brazilian model and socialite gained prominence as the muse for the iconic bossa nova song 'The Girl from Ipanema.' This song was co-written by Tom Jobim and Vinicius de Moraes, capturing the essence of Ipanema's beach culture. The song became a global standard, symbolizing the bossa nova movement and Brazilian music in the 1960s. As a celebrated figure, life included connections to the arts and culture of Brazil beyond music, making a notable presence in the fashion scene.

Continue Reading

Adolf von Thadden

German lieutenant and politician
Born
July 7th, 1921 104 years ago
Died
July 16th, 1996 29 years ago — 75 years old

Served as a lieutenant in the German army during World War II, leading troops on various fronts. After the war, became involved in politics, aligning with conservative ideologies and participating in influential political movements. Played a significant role in the establishment of the German party, which focused on advocating national interests. Additionally, contributed to discussions and initiatives surrounding German reunification.

Continue Reading

Vittorio De Sica

Italian filmmaker and actor in 'Bicycle Thieves'
Born
July 7th, 1901 124 years ago
Died
November 13th, 1974 51 years ago — 73 years old

An influential actor and director, made significant contributions to Italian neorealism. Directed acclaimed films such as 'Bicycle Thieves' and 'Umberto D.', which showcased the struggles of everyday people in post-war Italy. Achieved success as an actor in both film and theater, appearing in various works and earning recognition for performances. Involved in the film industry for several decades, leaving a lasting legacy through directorial techniques and thematic content.

Continue Reading

David McCullough

Historian and Pulitzer Prize winner
Born
July 7th, 1933 92 years ago
Died
August 7th, 2022 3 years ago — 89 years old

A prominent historian and author, contributed significantly to American historical literature. Authored acclaimed works such as 'John Adams' and '1776', both of which received widespread recognition and accolades. Engaged the public with insightful narratives on pivotal moments in American history. Served as a notable figure in historical preservation and education, emphasizing the importance of understanding the past. Received the Presidential Medal of Freedom for contributions to historical scholarship.

Continue Reading