# Mathematician:Piet Hein

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## Mathematician

Danish polymath (mathematician, inventor, designer, author and poet) best known for his short poems, known as gruks or grooks.

## Nationality

Danish

## History

- Born: 16 December 1905 in Copenhagen, Denmark
- Died: 17 April 1996 in Funen, Denmark

## Theorems and Definitions

Definitions of concepts named for **Piet Hein** can be found here.

## Publications

- 1940 -- 1963:
*Grooks*(20 volumes) - 1968:
*Runaway Runes: Short Grooks 1* - 1968:
*Grooks 2* - 1970:
*Grooks 3* - 1973:
*Grooks 4* - 1973:
*Grooks 5* - 1996:
*Grooks 6* - 1984:
*Grooks 7*

## Notable Quotes

*Problems worthy of attack**prove their worth by hitting back*- -- quoted as an epigraph to 2006: Martin Gardner:
*The Colossal Book of Short Puzzles and Problems*

- -- quoted as an epigraph to 2006: Martin Gardner:

## Sources

- 2006: Martin Gardner:
*The Colossal Book of Short Puzzles and Problems*... (next): Epigraph