The first white man / traverse / this desert / H. St.John Philby / in the 1930s

A. The first white man traversed this desert was H. St.John Philby, in the 1930s.

B. The first white man traversed this desert and was H. St.John Philby, in the 1930s.

C. The first white man to traverse this desert he was H. St.John Philby, in the 1930s.

D. The first white man to traverse this desert was H. St.John Philby, in the 1930s.