309314
Tyndall ’s research spans a range of technologies from atoms to systems in the areas of photonics , microsystems and micro-nanoelectronics and addresses key challenges in the areas of Communications , Energy , Health and the Environment .
 Tyndall
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Tyndall