Come on, Google completely "forgets" to mention the others, whilst the others do mention Google who detected it independently. And then look who wrote the papers, exploits and patches.
Err… fourth paragraph:
> Before the issues described here were publicly disclosed, Daniel Gruss, Moritz Lipp, Yuval Yarom, Paul Kocher, Daniel Genkin, Michael Schwarz, Mike Hamburg, Stefan Mangard, Thomas Prescher and Werner Haas also reported them; their [writeups/blogposts/paper drafts] are at: Spectre (variants 1 and 2) Meltdown (variant 3)