Another amateur (these days professional) telescope maker who started in his teens and has written in length and detail about his projects, Allar Saviauk: http:

Another amateur (these days professional) telescope maker who started in his teens and has written in length and detail about his projects, Allar Saviauk: http://www.allarscopes.com/telescopes/index_eng.htm http://www.allarscopes.com/telescopes/index_eng.htm