Given the question: What key details about kim gu-yong  can be extracted from the following bio?  Bio: kim gu-yong -lrb- 김구용 -rrb- ' , pen name of kim kku -lrb- february 5 , 1922 to december 28 , 2001 -rrb- , was a poet and calligrapher living in what is now south korea . his poetry showed the spirit of taoism but also reflected buddhism . he was a graduate of seongkyungwan university -lrb- 1955 -rrb- and later a professor at the same school .
The answer is:
- language is korean- citizenship is south korean- pseudonym is kim kku- ethnicity is korean- nationality is south korean- occupation is poet