Question:
Which employer did Nathan Gregory Silvermaster work for in Dec, 1945?

Context:
 Nathan Gregory Silvermaster works for United States Department of Agriculture from Jan, 1940 to Jan, 1944. 
 Nathan Gregory Silvermaster works for Reconstruction Finance Corporation from Jan, 1945 to Jan, 1946. 
 Nathan Gregory Silvermaster works for Farm Security Administration from Jan, 1935 to Jan, 1938. 
 Nathan Gregory Silvermaster works for Maritime Labor Board from Jan, 1938 to Jan, 1940.

Answer:
Reconstruction Finance Corporation