Philipp M. Herzberg
@mikioherzberg
Science Teacher | Founder of ZenTeach | YouTuber https://t.co/PRxTsO9TeQ…
02-04-2015 19:22:00
617 Tweets
15,5K Followers
15,1K Following
@mikioherzberg
Science Teacher | Founder of ZenTeach | YouTuber https://t.co/PRxTsO9TeQ…
02-04-2015 19:22:00
617 Tweets
15,5K Followers
15,1K Following