Timothy Sipkens's following
- beelerpayton
- tytell
- Aerosol-Lab
- carbonplancarbonplan
- liiscience
- RymMeh
- Cambustioncambustion
- SmogDr
- josephmolnar
- Benoît Pasquierbriochemc
- Juris Meijameijaj
- Paul Hammantpaul-hammant
- Sabin Kasparoglusabinkasparoglu
- Sunandanmahantsunandan
- maksim-islam
- Alex Liberzonalexlib
- nzimmerman-ubc
- darwinz7
- ThomasBement
- Andrew Maoandrewwmao
- Surya Venkatesh Dhulipalasurya-dhulipala
- rdastanpour
- Reza Kholghymkholghy
- Bradley Conradbradleymconrad
- Hamed NikookarHamed-NKR
- Dave Westervelddjwester
- rphm
- phad013
- Max Freimaxfrei750
- Una Trivanovicutrivanovic
- Christopher Battychristopherbatty
- Arash NaseriArashNaseri
- Samuel Grauersgrauer
- Markus Pettersmdpetters
- KayhanKayhanB21