Encyclopedia > John Holland

  Article Content

John Holland

Several notable persons in history have been named John Holland:



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Allergy

... Baron Clemens von Pirquet[?] in 1906, from the Greek words allos meaning changed or altered state and ergon meaning reaction or reactivity. He observed the exaggerated ...