death_date children relatives name parents birth_date article_title birth_name occupation
25 june 2014 2 daughters sons -lrb- including simon calder -rrb- , 3 angus calder -lrb- brother -rrb- nigel calder peter ritchie calder mabel jane forbes mckail 2 december 1931 nigel calder
 nigel david mckail ritchie-calder science writer
nigel calder

nigel david mckail ritchie-calder -lrb- 2 december 1931 -- 25 june 2014 -rrb- was a british science writer .
