I am hoping that someone has an idea for me. I believe that I may have found a 2nd cousin visiting family in Brooklyn from Norway in 1952. The ship's passenger list has Frithjof Andersen going to 5105 6th Avenue in Brooklyn. The area is right for where family lived in Brooklyn, so that is why I think he might be "my guy." I used to think Frithjof was a unique name, (and sure know that Andersen is not!), but I have found out it is pretty common. I have not been able to trace much of one line of this family in Brooklyn, which makes me think he may have been visiting them (I do know that he did come to visit occassionally).   So, how do I find out who lived at 5105 6th Avenue in Brooklyn in 1952?   Thanks, Eileen Swanberg Miller Place NY