John O'Hara

Career overview

Role: Meticulous television and film archivist.
Task: Write a career overview of John O'Hara (specifically focusing on his writing career).
Constraints: Use ONLY verifiable facts from provided sources. No invention. No markdown/asterisks/headings/bullets. Plain text only. Neutral, encyclopedic prose.
Length: 180-260 words.
Structure: 2-3 short paragraphs.
Source [1]: John O'Hara (TMDB). Writing. Birthday: January 13, 1905 (Note: Bio says Jan 31, 1905). Death: April 11, 1970 (65 years old). Place of Birth: Pottsville, Pennsylvania, USA.
Source [2]: John O'Hara (IMDb). Actor: Lost (2004), 100 Girls (2000), The Sopranos (1999). (Note: This is a different person/career, but the prompt asks for "John O'Hara (Writing)").
Source [3]: John O'Hara (Wikipedia). John Henry O'Hara (January 31, 1905 – April 11, 1970). American writer. Prolific short story writer. Credited with helping to invent The New Yorker magazine short story style. Best-selling novelist before age 30 with Appointment in Samarra and BUtterfield 8.
Source [4]: John O'Hara (Australian Actor). Not the writer.
Source [5]: Phoebe O'Hara. Not the writer.
Name: John Henry O'Hara.
Dates: January 31, 1905 – April 11, 1970. (Note: TMDB says Jan 13, but Wikipedia/Bio says Jan 31. I will use the bio/Wikipedia date as it is more specific to the "John Henry O'Hara" persona).
Profession: American writer.
Achievements: Prolific short story writer. Credited with helping to invent The New Yorker magazine short story style.
Novels: Became a best-selling novelist before the age of 30 with Appointment in Samarra and BUtterfield 8.
Legacy/Reception: Work was praised by contemporaries Ernest Hemingway and F. Scott Fitzgerald. Champions rank him highly among major under-appreciated American writers of the 20th century.
Paragraph 1: Identity and Early Success.
John Henry O'Hara was an American writer born on January 31, 1905, and died on April 11, 1970. He was recognized as one of the most prolific writers of short stories in America. O'Hara is credited with helping to invent the short story style associated with The New Yorker magazine. Before reaching the age of 30, he became a best-selling novelist through his works Appointment in Samarra and BUtterfield 8.
Paragraph 2: Legacy and Contemporary Reception.
While the legacy of O'Hara's writing remains a subject of debate, his work received praise from contemporaries such as Ernest Hemingway and F. Scott Fitzgerald. His supporters and champions rank him highly among the major under-appreciated American writers of the 20th century.
Current word count check:
P1: ~65 words.
P2: ~40 words.
Total: ~105 words.
Problem: The prompt requires 180-260 words. I need to expand using only the provided facts. However, the provided facts are limited. I must look closer at the sources.
Source [1] says: Birthday January 13, 1905. Death April 11, 1970. Place of Birth: Pottsville, Pennsylvania, USA.
Source [3] says