DoB Source: Immigration record where he arrived in New York on the SS St Louis in 1895 with his Norwegian mother, where his age was given as 7.  1920 census of New York (via BB) gives his age as 31.

Deceased by the 1930 census - before the age of 41.

Date of Birth from 1901 census.  She gave her age as 29 in the 1920 census in New York, and 39 in the 1930 census in Detroit.

Civil Birth Record
Name:    Jane Elizabeth Gordon    Date of Birth:    30-Jul-1890
         Registration Date:    1-Jan-0
Address:    Lislea    Parish/District:    KILREA
Gender:    Female    County    Co. Derry
Denomination:    Registrar District
Father:    James Gordon    Mother:    Jane Coulter
Occupation:    Labourer    
Sponsor 1 /
Informant 1:    Mary McKay    Sponsor 2 /
Informant 2:    
Notes:
INFORMANT IS RECORDED AS BEING THE CHILD'S AUNT

Social Security Death Index about Elizabeth Gordon
Name:    Elizabeth Gordon    
SSN:    336-10-7429
Last Residence:    49043  Covert, Van Buren, Michigan, United States of America
Born:    12 Jun 1890
Died:    May 1973
State (Year) SSN issued:    Illinois (Before 1951)

This cannot be right as her name was Matthies by her death.

DoB taken from 1920 census where he is given as 5/12.

U.S. Public Records Index, Volume 1 about Gordon R Wichart
Name:    Gordon R Wichart
Birth Date:    27 Aug 1919
Address:    17176 Redford St, Detroit, MI, 48219 (1993)
[29869 Montgomery Dr, Novi, MI, 48377 (1993)] 

Social Security Death Index about Gordon R. Wichart
Name:    Gordon R. Wichart    
Last Residence:    48377  Novi, Oakland, Michigan, United States of America
Born:    27 Aug 1919
Died:    18 Jun 2004
State (Year) SSN issued:    Michigan (Before 1951)

U.S. Veterans Gravesites, ca.1775-2006 about R Gordon Wichart
Name:    R Gordon Wichart
Service Info.:    SGT US ARMY AIR FORCES WORLD WAR II
Birth Date:    27 Aug 1919
Death Date:    18 Jun 2004
Cemetery:    Grand Lawn Cemetery
Cemetery Address:    23501 Grand River Aveune Detroit, MI 48219