Really sad news.
I last saw Dallas several years ago when he came down to Tuolumne with C4C. My old climbing partner, Bud Miller was there, too. Really inspirational to see those guys (then 60 something) still out and climbing and giving to the community.
Kloke was amazingly fit-- he ran Lembert Dome each evening to finish off the day's climbing. He seized every opportunity to peel off his shirt and flash the six-pack. And those short track shorts left nothing to the imagination.
A year or two later, a partner and I did an obscure and dicey FA on an obscure peak on the east side. When we got to the top, the last entry in the summit book was "Dallas Kloke."
RIP.