code: public static Field getField(Class c, String field)
      {
          return getDeepDeclaredFields(c).get(field);
      }
docs: Return an instance of of the Java Field class corresponding to the passed in field name.
  @param c class containing the field / field name
  @param field String name of a field on the class.
  @return Field instance if the field with the corresponding name is found, null otherwise.