Danish scientist, mathematician, inventor, designer, author, and poet, often writing under the Old Norse pseudonym “Kumbel” meaning “tombstone”.
[Notes:
* Grook : A grook is a form of short aphoristic poem. It was invented by the Danish poet and scientist Piet Hein. He wrote over 7,000 of them, most in Danish or English, published in 20 volumes]
అనువాదలహరి 
వ్యాఖ్యానించండి