| Richardcs ("just an american") |  | Rui ("Portuguese science intusiast. I believe science is always the way and that humanity should...") | |
| Rodrigo de Matos Alves ("Sou de Rio Grande, RS, Brasil, tenho 32 anos e sou analista de sistemas e desde a...") |  | REAGANRYLEY ("Just a retired guy helping humanity!") | |
 | ricman |  | romranger ("Retired IT pro looking to give back.") |
 | robkralik ("Undefinable redheadedstepchild.duckdns.org") |  | raulolivella ("Tengo 46 años y desde pequeño soy aficionado a la astronomÃa y fotografÃa. Me...") |