Ilmar Tomusk

Ilmar Tomusk (born 28 June 1964) is an Estonian civil servant and children's writer. He has served as Director General of Estonia's language-supervision authority since October 1995, leading the institution through later reorganisations (including the 2020 change in which the former Keeleinspektsioon was renamed Keeleamet).

As a writer, Tomusk is best known for long-running children's series (including the Kriminalistid and Matemaatiline sõber books) and for language-focused humour and wordplay. His work has received major national prizes and international recognition; a title from the Matemaatiline sõber series was included in Estonia's selection for the 2024 IBBY Honour List.

Early life and education Tomusk studied at Tallinna 32. Keskkool and graduated in 1989 from the Tallinn Pedagogical Institute (now Tallinn University) as a teacher of Estonian language and literature. In 2002 he received a PhD from Tallinn University of Technology; his dissertation examined Estonian language policy in the context of European integration and international human-rights frameworks.

Career and public role After working as a teacher and in local administration, Tomusk joined Estonia's language-inspection authority and was appointed Director General in October 1995. In 2020 the institution was renamed from Keeleinspektsioon to Keeleamet as part of broader administrative reforms; official reporting describes Keeleamet as having been known as Keeleinspektsioon until 1 August 2020.

As Keeleamet's representative, Tomusk has served on national advisory bodies including the Estonian Language Council (Eesti keelenõukogu) and the Place Names Council (Kohanimenõukogu). Since 2016 he has chaired the jury for the annual business-name competition Ehe Eesti – Eesti ettevõttele eesti nimi.

Tomusk has been a visible public spokesperson on language-policy and language-use debates in Estonia. In 2021, Russia announced an entry ban on Tomusk as part of retaliatory measures against several EU officials; the ban was widely reported internationally.

Writing and reception Tomusk began publishing humour as a youth and later moved into children's fiction, combining fast-paced plots with language play and word-formation jokes.

Estonian critics and cultural commentators have highlighted Tomusk's popularity and “double-address” style (books written for children but layered with additional meaning for adults). Library-lending compensation statistics have also placed him among Estonia's most-read authors; ERR's published lending table for 2024 reported that his works were borrowed 26,299 times in Estonian public libraries in 2023, the highest figure that year.

Several of Tomusk's books have been translated (including into Russian, Latvian, Lithuanian, Slovak, Ukrainian, and English). Estonian Cultural Endowment (Literature Endowment) annual award for Volli vanad vigurid (2011). Aasta Rosin (2019) for Kõrvalised isikud. Järje Hoidja (2023) and subsequent annual awards for titles in the Matemaatiline sõber series. Tartu Children's Literature Prize (2023) for Julius, mida sina suvel tegid? Estonia's national science popularisation awards (print category), second prize for Paul hakkab inseneriks (2025).

Selected works Tere, Volli! (2007) Volli vanad vigurid (2011) Kolmanda A kriminalistid (2012) Kõrvalised isikud (2019) Kullakallis kass (2022) Matemaatiline sõber. Marss Marsile (2023) Uks (2023) Paul hakkab inseneriks (2024)