79948
After management repeatedly ignored their pleas , David H. Ahl took it upon himself to buy a BASIC for the PDP-8 , which was a major success in the education market .
 David H. Ahl
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 David H. Ahl