18 sages established and propagated vaastu sastra

An ancient science with a tradition dating back 6000 years, its fundamental postulates were developed by 18 divine Maharishis (sages/wise men of ancient India, who had attained the highest knowledge in various fields)

1. Bhrigu
2. Atri
3. Vasistha
4. Viswakarma
5. Maya
6. Narad
7. Nagnajit
8. Vishalaksha
9. Purandhera
10. Brahma
11. Nandish
12. Kumaraswamy
13. Shaunak
14. Garg
15. Vasudev
16. Anirudh
17. Shukra
18. Bruhaspati

Source

 the Matsya Purana dated c. 250-500 CE, lists eighteen scholars of Vastu.