Esko Valtaoja

Esko Jorma Johannes Valtaoja (pronounced [ˈesko ˈʋɑltɑˌojɑ] ⓘ; born 20 June 1951) is a Finnish professional astronomer and writer. Valtaoja worked as a professor at the University of Turku where he studied quasars. Valtaoja retired in 2015 after holding a popular farewell lecture, that was also televised by Finnish national public broadcaster YLE.[1]

Esko Valtaoja
Esko Valtaoja in 2020
Born (1951-06-20) 20 June 1951
Kemi, Finland
NationalityFinnish
EmployerUniversity of Turku
AwardsTieto-Finlandia 2002

According to the Finnish Science Barometer conducted in 2013, Esko Valtaoja was the most well known Finnish scientist in Finland.[2][3]

Valtaoja was honored in 2019 when the town of Kemi decided to name a street, Valtaojankatu, after him. The naming of the street was a part of Kemi's 150th anniversary celebrations.[4]

In 2002 his book Kotona maailmankaikkeudessa (At Home in the Cosmos, 2001) won the Finlandia Prize for the best non-fiction work. After this he became a popular guest-speaker at TV shows, science fiction conventions, popular science seminars, etc. Part of his popularity comes from his ability to present complex scientific theories and ideas in an understandable, entertaining manner to the general audience.

Since then, Valtaoja has written another book, Avoin tie (The Open Road, 2004), in which he explains his visions of the future. The book is written in a style similar to that of Kotona maailmankaikkeudessa, with the general audience in mind.

His latest book is Ihmeitä: kävelyretkiä kaikkeuteen (Wonders: Saunters to the Universe), published in October 2007. The book is the last part of his trilogy, which began with Kotona maailmankaikkeudessa, and is written in the same style as the two earlier books. As the first book is about the past and the second about the future, Valtaoja has said that it is natural to write the last about the present time.

In his free time he enjoys art and literature (especially science fiction). He is also an amateur biologist.

In 2019 Valtaoja was diagnosed with squamous cell carcinoma. The carcinoma was removed surgically, leaving Valtaoja's middle finger without a fingernail.[5]

References
  1. "Katso Esko Valtaojan viimeinen luento – video". Yle Uutiset (in Finnish). 28 August 2015. Retrieved 2020-03-06.
  2. "Valtaoja tunnetuin tiedemies Suomessa, Himanen kolmosena". Helsingin Sanomat (in Finnish). 2013-11-12. Retrieved 2020-03-06.
  3. "Tiedebarometri 2013" (PDF).
  4. "Esko Valtaojalle nimikkokatu Kemiin". Yle Uutiset (in Finnish). Retrieved 2020-03-06.
  5. "Esko Valtaojalla syöpä - kynsitulehduksesta leikkauspöydälle: "Olin tiedosta paremminkin huvittunut kuin järkyttynyt"". www.iltalehti.fi (in Finnish). Retrieved 2020-03-07.


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