This is true, and I think something that not everyone thinks about -- myself included. We tend to think of Freddie when we think of Queen, and less so of all the other people who made Queen what they were and what they still are today. Thank you for reminding me of that.
Actually, while Freddie really was the "voice" of Queen, I generally give equal billing to Brian May for creating the Queen sound. If you look at the first seven albums, you will see them clearly labeled "no synths", because all that neat sound was done by Brian on guitars and other real instruments. Sure, there were effects, but they weren't synthesizers. ("The Game" broke the rules and they then became a synth band.)
I actually started listening to Queen with their first album, and fell in love with that new sound. The whole first side is excellent (IMHO), but definitely not everyone's cup of tea. "Queen II" was very thematic, but didn't have any hits on it, and it is still one of my favorites to listen to beginning to end.
I did start losing interest after "The Works" came out. Radio Ga-Ga just didn't do much for me.
But I do listen to their first 7 or 8 albums on a fairly regular basis.