---
name: "I. A. L. Diamond"
canonical: "https://film.one/person/i-a-l-diamond"
fi1m_id: "i-a-l-diamond"
imdb_id: "nm0224634"
tmdb_id: 3147
wikidata_id: "Q1652953"
roles: ["Writer","Producer"]
born: "27 June 1920"
died: "21 April 1988"
reviewed_on_fi1m: 3
average_fi1m_score: 81
average_as: "writer"
average_over: 3
updated: "2026-09-19T21:41:21.488645+00:00"
licence: "© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL."
---

# I. A. L. Diamond

## Identity

I. A. L. Diamond

- **Canonical:** https://film.one/person/i-a-l-diamond
- **Type:** Person
- **Fi1m ID:** i-a-l-diamond
- **IMDb ID:** nm0224634
- **TMDB ID:** 3147
- **Wikidata ID:** Q1652953
- **Same entity:** https://en.wikipedia.org/wiki/I._A._L._Diamond, https://www.wikidata.org/wiki/Q1652953, https://www.imdb.com/name/nm0224634/, https://www.themoviedb.org/person/3147

Writer and producer. Born 27 June 1920 in Ungheni, Iasi, Romania [now Moldova]. Died 21 April 1988.

## Details

- **Work:** Writer, Producer
- **Born:** 27 June 1920, Ungheni, Iasi, Romania [now Moldova]
- **Died:** 21 April 1988
- **Active:** 1959–1974
- **Also known as:** I.A.L. Diamond, Itek Domnici
- **Frequently works with:** [Billy Wilder](https://film.one/person/billy-wilder.md), [Jack Lemmon](https://film.one/person/jack-lemmon.md)
- **Academy Awards:** 1 Oscar (1 won · 2 nominated)
- **Average Fi1m score:** 81, as writer, over 3 titles
- **Fi1m score by decade:** 1950s 92 (1), 1960s 91 (1), 1970s 60 (1)
- **Fi1m against the critics:** 81 to 76 across 3 titles
- **Score spread:** 2 at 80+, 1 at 60–79, 0 under 60
- **Genres:** Comedy 3, Romance 2, Crime 1, Drama 1
- **Screen time:** 6 hours of reviewed films
- **Box office:** $65m across 3 films with figures
- **Elsewhere:** https://en.wikipedia.org/wiki/I._A._L._Diamond, https://www.wikidata.org/wiki/Q1652953, https://www.imdb.com/name/nm0224634/, https://www.themoviedb.org/person/3147

## Streaming the US now

- **The Roku Channel:** [*Some Like It Hot*](https://film.one/film/some-like-it-hot.md) (92)
- **Tubi:** [*The Apartment*](https://film.one/film/the-apartment.md) (91)

For United States; add `?region=XX` for another country.

## Biography

I. A. L. Diamond was a Romanian-born American screenwriter. Born Ițec Domnici on 27 June 1920 in Ungheni, Romania (now Moldova), he emigrated to Brooklyn, New York, as a child. He studied at Columbia University, graduating in 1941, and began writing for Paramount Pictures in the early 1940s.

Diamond is best known for his three-decade collaboration with Billy Wilder, which began with *Love in the Afternoon* (1957). Their joint screenplays include *Some Like It Hot* (1959), *The Apartment* (1960), for which he shared an Academy Award for Best Original Screenplay, *One, Two, Three* (1961), *Irma la Douce* (1963), *The Fortune Cookie* (1966) and *The Private Life of Sherlock Holmes* (1970). He also wrote *Cactus Flower* (1969) and contributed to *The Front Page* (1974). Diamond died on 21 April 1988 in Beverly Hills, California.

*Sources: en.wikipedia.org, britannica.com, imdb.com, latimes.com.*

## On Fi1m (3)

- *The Front Page* (1974), Fi1m 60, Screenplay — [page](https://film.one/film/the-front-page.md)
- *The Apartment* (1960), Fi1m 91, Associate Producer, Writer — [page](https://film.one/film/the-apartment.md)
- *Some Like It Hot* (1959), Fi1m 92, Screenplay, Associate Producer — [page](https://film.one/film/some-like-it-hot.md)

## Complete filmography (30)

Every credit, newest first. Titles without a page can be requested for review on the HTML page.

- *La Garçonnière* (2018), Original Story
- *Just Go with It* (2011), Original Film Writer
- *The Legacy of 'Some Like It Hot'* (2006), Thanks
- *The Making of 'Some Like It Hot'* (2006), Thanks
- *Sugar* (1982), Original Film Writer
- *Buddy Buddy* (1981), Writer
- *Fedora* (1978), Writer, Producer
- *The Front Page* (1974), Screenplay — Fi1m 60, [page](https://film.one/film/the-front-page.md)
- *Avanti!* (1972), Screenplay
- *The Private Life of Sherlock Holmes* (1970), Writer, Associate Producer
- *Cactus Flower* (1969), Screenplay
- *The Fortune Cookie* (1966), Producer, Writer
- *Kiss Me, Stupid* (1964), Screenplay, Associate Producer
- *Irma la Douce* (1963), Producer, Screenplay
- *One, Two, Three* (1961), Screenplay, Associate Producer
- *The Apartment* (1960), Associate Producer, Writer — Fi1m 91, [page](https://film.one/film/the-apartment.md)
- *Some Like It Hot* (1959), Associate Producer, Screenplay — Fi1m 92, [page](https://film.one/film/some-like-it-hot.md)
- *Merry Andrew* (1958), Screenplay
- *Love in the Afternoon* (1957), Screenplay
- *That Certain Feeling* (1956), Writer
- *Monkey Business* (1952), Screenplay
- *Let's Make It Legal* (1951), Screenplay
- *Love Nest* (1951), Screenplay
- *It's a Great Feeling* (1949), Story
- *Two Guys from Texas* (1948), Screenplay
- *Romance on the High Seas* (1948), Dialogue
- *Always Together* (1947), Writer
- *Love and Learn* (1947), Writer
- *Never Say Goodbye* (1946), Screenplay
- *Two Guys from Milwaukee* (1946), Screenplay

## Awards

### Academy Awards — 1 won, 2 nominated

- 1967: Best Writing, Original Screenplay (nominated), for *The Fortune Cookie*
- 1961: Best Writing, Original Screenplay (won), for *The Apartment*
- 1960: Best Writing, Adapted Screenplay (nominated), for *Some Like It Hot*

*From Wikidata, which records wins more completely than nominations.*

---
© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL. Canonical: https://film.one/person/i-a-l-diamond