Todd London has chaired the New York State Council on the Arts theatre panel and served as associate artistic director of New York's Classic Stage Company. In 1997 he won the George Jean Nathan Award for dramatic criticism for his writing for American Theatre Magazine.

Kenneth Lonergan is an American film director, playwright and screenwriter. His plays include The Starry Messenger, Lobby Hero, This Is Our Youth and The Waverly Gallery, and he wrote and directed the films You Can Count On Me, Margaret and Manchester by the Sea, for which he won the Academy Award for Best Original Screenplay.

Federico del Sagrado Corazón de Jesús García Lorca, known as Federico García Lorca (5 June 1898 – 19 August 1936) was a Spanish poet, playwright, and theatre director.

Lorca achieved international recognition as an emblematic member of the Generation of '27. His major plays include Blood Wedding, Yerma and The House of Bernarda Alba

He was executed by Nationalist forces during the Spanish Civil War.

Craig Lucas is a playwright, screenwriter and director of both theatre and film. His plays include Prelude to a Kiss, The Dying Gaul, The Singing Forest, Small Tragedy, Reckless, Blue Window, Prayer for My Enemy, God’s Heart and the book for the Tony Award–winning musical The Light in the Piazza. He wrote the screenplays for Longtime Companion and The Secret Lives of Dentists.

Russell Lucas is a UK-based artist specialising in writing, devising, producing, acting and directing. His work has been seen in London, Edinburgh, the West End, on tour and Off-Broadway.

He is also a qualified lecturer and has written and delivered workshops at leading venues and educational institutions across the UK and internationally.

He is the author of 300 Thoughts for Theatremakers: A Manifesto for the Twenty-First-Century Theatremaker (Nick Hern Books, 2022).

Nathan Lucky Wood grew up in London. He was a member of the Soho Theatre Writers' Lab. His plays include: Alcatraz (VAULT Festival, London, 2019); and A Haunting (King's Head Theatre, London, 2016; VAULT Festival and Belgrade Theatre, Coventry). His other work has been seen at the Bush Theatre, Arcola Theatre, Southwark Playhouse, Leicester Square Arts Theatre, Rich Mix, and Theatre503.

Charles Ludlam was an American actor, director, playwright and founder of the Ridiculous Theatrical Company. He was the winner of Obie and Drama Desk awards, as well as a number of playwriting fellowships.

Jennifer Lunn is a writer, director and producer. Her plays include Es & Flo (Wales Millennium Centre & Kiln Theatre, 2023) and Terroir (Sherman Theatre, 2021).

Es & Flo won the Popcorn Group Writing Award in 2020, was shortlisted for the Verity Bargate Award and longlisted for the Bruntwood Prize.

Her play Core was shortlisted for the inaugural Women's Prize for Playwriting in 2020.