Michael R. Porter

-UNKNOWN

-UNKNOWN

1904-2001

-UNKNOWN

-1966

Private-

Private-

1910-1968

Abt 1908-1966

1881-1965

-UNKNOWN

1909-1979

-UNKNOWN

-UNKNOWN

Private-

Private-

Private-

Private-

Private-

Private-

Private-

Private-

Private-

Private-

Private-

1945-1945

Private-

Private-

Private-

Private-

1911-1983

1912-2004

1913-UNKNOWN

-UNKNOWN

1916-1997

Private-

1891-1930

-UNKNOWN

Private-

-UNKNOWN

-UNKNOWN

Private-

-UNKNOWN

1900-1951

1856-1928

-UNKNOWN