drkndl's following
- Rich Teaguerichteague
- Mark L. Stowellmlstowell
- David W. Hoggdavidwhogg
- Open Astrophysics BookshelfOpen-Astrophysics-Bookshelf
- Wladimir Lyrawlyra
- Rafael de la Fuenterafael-fuente
- inconvergentinconvergent
- Dan Foreman-Mackeydfm
- Adrian Price-Whelanadrn
- Philip Moczpmocz
- Adrian Romanaromanro
- Michael Zingalezingale
- Lorena A. Barbalabarba