I found more about Samuel at
http://www.ellisisland.org/search/passSearch.asp
He did work as steamship stoker(?) Sorry about my bad english.
First Name: Samuel
Last Name: Josefsen
Ethnicity: Norway
Last Place of Residence: Hosten, Norway
Date of Arrival: Apr 15, 1907
Age at Arrival: 27y Gender: M Marital Status: S
Ship of Travel: Caledonia
Port of Departure: Glasgow
Manifest Line Number: 0002
First Name: Samuel
Last Name: Josefsen
Ethnicity: Norway, Scandinavian
Last Place of Residence: Christ..., Norway
Date of Arrival: Sep 22, 1913
Age at Arrival: 33y Gender: M Marital Status: S
Ship of Travel: California
Port of Departure: Glasgow
Manifest Line Number: 002
First Name: Samuel
Last Name: Josefsen
Ethnicity: Nor, Scand.
Last Place of Residence: Grofsen, , Nor
Date of Arrival: Mar 24, 1920
Age at Arrival: 40y Gender: M Marital Status: M
Ship of Travel: Stavangerfjord
Port of Departure: Kristiania, Norway
Manifest Line Number: 0012