It was Richard Gaffin who said,
"The central soteriological reality is union with the exalted Christ by Spirit-created faith. That is the nub, the essence of the way or order of salvation for Paul. The center of Paul's soteriology, at the center of his theology as a whole, then, is neither justification by faith nor sanctification, neither the imputation of Christ's righteousness nor the renewing work of the Spirit."
By Faith, Not By Sight: Paul and the Order of Salvation, Paternoster, 2006, p. 43.
Gary Benfold was the first to give the correct answer to Name that theologian #3. However, in a dramatic twist Gary disqualified himself from the competition and deleted his comment on the grounds that he knew the answer rather than simply having a guess. Very honest of him I'm sure, but it isn't cheating to actually know the answer. So, I pronounce the learned Gary Benfold winner of Name that theologian #3, with Martin Downes and Mantovani close runners up.