Shaunaka

invented the system of the four levels of human life
http://freeglobaluniversity.blogspot.com/search/label/Ashram

https://en.wikipedia.org/wiki/Shaunaka
https://www.youtube.com/results?search_query=Shaunaka
http://www.slideshare.net/search/slideshow?searchfrom=header&q=Shaunaka

Swayambhu Manu and Satarupa

According to 

1. Padma Puraana, 
2. Raamaayan and 
3. Raamcharith Maanas 

the first man Swayambhu Manu and Sathroopa performed penance to obtain God as their son and were granted the boon.

https://freeglobaluniversity.blogspot.com/search/label/Script