As a young man, yes.
But his opinions changed in old age.
Roger B. Taney was not an abolitionist.
No.
That would be Roger B. Taney.
Ask him why he started as an Abolitionist and ended as an extreme pro-slavery bigot.
Roger B. Taney died on 1864-10-12.
Roger B. Taney was born on 1777-03-17.
He was when young, but was not anymore as he moved up in the political world.
There was no "after the war" for Chief Justice Roger B. Taney; he died in October 1864.
Chief Justice Roger B. Taney
Roger Taney - ironically a one-tme abolitionist.
Roger B. Taney was the Chief Justice of the Supreme Court.
1777