1-Bo Chen

https://www.artstation.com/chenbo

2-Davide Tosello

https://www.iamag.co/the-art-of-davide-tosello/

3- Feng Zhu

https://www.iamag.co/the-art-of-feng-zhu-60-memorable-illustration/

4- Jon Won Park

http://www.andredavisscifi.com/jong-won-park.html

4a- J. C. Park

https://www.artstation.com/jcpark

5- Jim Burns

http://www.alisoneldred.com/artistJimBurns.html

6- Hans Rudolf "Ruedi" Giger (1940 - 2014)

https://www.pinterest.com/pin/61924563600911089/

7- John Berkey

http://johnberkey.com/

8- Clayton Pond

https://claytonpond.com/

9- Chris Foss

https://www.chrisfossart.com/

10- Shane Acker 

https://en.wikipedia.org/wiki/Shane_Acker

11- Rodney Matthews

https://www.rodneymatthewsstudios.com/

12- Kilian Eng (b. 1982 - )

https://www.debutart.com/artist/kilian-eng

13- Ian McQue

https://ianmcque.bigcartel.com/

14- Les Edwards

http://www.lesedwards.com/

15- Martin Parker

https://www.artstation.com/martinparker

16- Mohamed Aouamri

https://www.galerienapoleon.com/author-comics_planches-originales-de-mohamed-aouamri-original-comic-art_gb_9.html

17- Frank Kelly Freas (1922-2005)

http://pulpartists.com/Freas.html

18- Vincent Di Fate (b. 1945 - )

https://www.pinterest.com/duaneelms/illustrators-vincent-di-fate/

19- Julian S. Krupa

https://pulpcovers.com/tag/julianskrupa/

20- Graham Bleathman

http://www.grahambleathman.co.uk/

21- H. W. Wessolowski

https://www.bookogs.com/credit/74939-h-w-wesso-wessolowski

22- Poster from "Himmelskibet, Excelsior", (which translates to "Heaven-Ship, Excelsior" and later retitled "A Trip to Mars" for the English language market) a Danish space opera from 1918.

https://ingeniumcanada.org/channel/articles/space-the-final-frontier-this-is-the-voyage-of-the-spaceship-excelsior

23- Frank R. Paul

http://www.frankwu.com/paul1.html

24- Jack Gaughan

http://www.artnet.com/artists/jack-gaughan/

25- Ed Miracle

https://miraclesart.com/

26- Paul Lehr

https://www.pinterest.com/asarconti/paul-lehr/

27- Max Bertolini

https://maxbertolini.com/

28- Colin Hay

http://www.chameleon-arts.com/colin-hay/folio3.html

29- Richard Powers

http://www.richardmpowers.com/

30- Peter Elson

http://www.peterelson.co.uk/