I would just take issue with your use of "lifting body". The photo you linked to (and DynaSoar and the U.S. Space Shuttle for that matter) are closer to simple winged spacecraft and not what I would call lifting bodies.
As you can see, it is much closer to the lifting body concept than the other craft. I suspect they converged on the Shuttle-like design because of cost and manufacturing constraints. But this unsupported speculation.
Also his designs incorporated grid fins! In the 1960s!
As you can see, it is much closer to the lifting body concept than the other craft. I suspect they converged on the Shuttle-like design because of cost and manufacturing constraints. But this unsupported speculation.
Also his designs incorporated grid fins! In the 1960s!