HomeFamily MemberWho Are Peter And Katherine "Toni" Oppenheimer? Meet J. Robert Oppenheimer Children

Who Are Peter And Katherine “Toni” Oppenheimer? Meet J. Robert Oppenheimer Children

Who is J. Robert Oppenheimer children, Peter and Katherine? Here is everything on American theoretical physicists, kids, and family. 

J. Robert Oppenheimer was a famous American theoretical physicist and was also the director of the Los Alamos Laboratory during World War II. Besides, he is often credited as the “father of the atomic bomb.”

Further, his role in the Manhattan Project was the research and development project that created the first nuclear weapons.

Likewise, Peter and Katherine “Toni” Oppenheimer are the kids of J. Robert. Reportedly Peter is a carpenter, and Katherine was an American translator. 

Besides their professional career, both got recognition for their father’s fame. On the other hand, in September 1927, J. Robert was also rewarded a United States National Research Council fellowship to the California Institute of Technology (Caltech).

The internet sources are loaded with questions about J. Robert’s children, so here is everything on them. 

Meet J. Robert Oppenheimer Children- Peter Oppenheimer

J. Robert Oppenheimer was the father of two, a son and a daughter, Peter And Katherine “Toni” Oppenheimer. Peter was the eldest child of Robert, who was born in 1941. 

Peter spent a few years of childhood in his birthplace, California, and later moved with his parents to Los Alamos when his J Robert became the course director of Los Alamos [National] Laboratory.

The Oppenheimer family lived in Princeton, New Jersey, when Peter’s father was the Institute for Advanced Study Director.

J. Robert Oppenheimer children
Young picture of Peter Oppenheimer, the son of J. Robert Oppenheimer. (Source:  Nuclear Museum)

During his young age, Peter had crippling shyness and sensitivity, and he often avoided social interaction, which made his education difficult. 

Later, Peter was sent to George School, an elite Quaker boarding school in Newtown, Pennsylvania. However, he couldn’t progress much there and was unable to graduate. 

As per the sources, while growing up, he faced another challenge his father’s security clearance hearing, which happened just before Peter started high school.

Professionally, Peter is a carpenter, and currently, he is living in seclusion with his family and has three adult children, Dorothy, Charlie, and Ella. 

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Who Was Katherine “Toni”? Daughter Of J. Robert Oppenheimer

As mentioned earlier, J. Robert Oppenheimer was the father of two. Katherine was one of his kids who was also famous as Toni. 

Toni was born in 1944, and she was a translator. As per the reports, she died in Central St. John, U.S. Virgin Islands.

Likewise, Oppenheimer was one of the many children born in Los Alamos in the period when J. Robert Oppenheimer became the Director of the Institute for Advanced Study in Princeton. 

Toni and her whole family moved with him to New Jersey when she was three years old. She was an exemplary student and attended Miss Fine’s School in Princeton. 

Toni Oppenheimer bio
Toni Oppenheimer, the youngest child of J. Robert Oppenheimer was a translator. (Source:  Nuclear Museum)

Besides, as a child, Toni was diagnosed with polio. Like her brother, Peter, she also had a complicated relationship with her father.

In 1967 Toni died of Cancer. A year later, Oppenheimer was refused a position as a translator for the United Nations because the FBI refused to grant her a security clearance.

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Explore J. Robert Oppenheimer Married Life

J. Robert married his wife Katherine Oppenheimer, aka Kitty, in 1940. The couple met on August 1939 as Robert was a physicist who taught at Caltech for part of each year.

Soon they started having an affair and were often seen in his Chrysler coupe. Before marrying, Kitty was twice married to Frank Ramseyer and Stewart Harrison. 

J. Robert Oppenheimer wife
Katherine “Kitty” Oppenheimer, the wife of J. Robert Oppenheimer. (Source:  Nuclear Museum)

Robert and Kitty got married the same year Kitty divorced her then-husband, Stewart Harrison. In 1941, Kitty and Robert were blessed with a son Peter and three years later, the couple gave birth to their second child, Katherine. 


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