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Mabel Addis

1912 – 2004

American computer games designer

Writer Game designer
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About Mabel Addis

Lived 1912 – 2004 (aged 92). Mabel Addis was an American writer and game designer.

Mabel Addis Mergardt (21 May 1912 – 13 August 2004) was an American writer, teacher and the first video game writer. She designed The Sumerian Game, programmed by William McKay, for the IBM 7090 in 1964, which inspired other kingdom management games such as Hamurabi from the early 1970s. She is considered to have created the strategy video game genre and text based game concept. She has been recognized as the world's first narrative video game writer as well as the first video game writer, and is the oldest known female video game designer.

Early life and education Mabel Holmes was born on 21 May 1912 to James Holmes and Mabel Wood. She grew up in Mount Vernon and excelled in school, graduating valedictorian from Brewster High School in 1929. After graduating, she attended Barnard College. At Barnard, she obtained a degree in ancient history and a minor in psychology by 1933. She attended Columbia University for her graduate schooling, and obtained a master's degree in education.

Career Upon obtaining her master’s degree in education, Addis worked in a rural one-room school. In 1937, she moved to the Hyatt Avenue School. She worked there for thirteen years before finally moving to Katonah-Lewisboro School District in 1950. She taught in this district until 1976. Her teaching career spanned five decades.

Her most notable work took place in the 1960s. Addis was elected to work with IBM and Boards of Cooperative Educational Services to create The Sumerian Game, the first text-based computer game.

Personal life and legacy She married Alexander L. Addis in 1942, officially becoming Mabel Addis. Alexander died in 1981. She remarried in 1991 to Gerard Mergardt, who died in 1995.

Addis died in 2004. She was posthumously awarded the Pioneer Award during the 2023 edition of Game Developers Conference on 23 February 2023.

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Important facts

Birth century
Nationality
Education
Barnard College
Also known as
Mabel Addis Mergardt, Mabel Holmes

People in Mabel Addis's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Mabel Addis's

Frequently asked questions

Who was Mabel Addis?

American computer games designer

When was Mabel Addis born?

Mabel Addis was born on 21 May 1912 in Mount Vernon.

When did Mabel Addis die?

Mabel Addis died on 13 August 2004 in New York.

What was Mabel Addis's occupation?

Mabel Addis was a writer and game designer.

What nationality was Mabel Addis?

Mabel Addis was American.

Sources & further reading

· Wikipedia: Mabel Addis

· Wikidata: Q67436667

· DBpedia: Mabel Addis

Cite this page

APA: Biography.guide. (2026). Mabel Addis. https://biography.guide/mabel-addis/

MLA: "Mabel Addis." Biography.guide, https://biography.guide/mabel-addis/.

Chicago: "Mabel Addis." Biography.guide. https://biography.guide/mabel-addis/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

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