JGW means John Greenleaf Whittier 1807-1892 in Known People
Similar to JGW
AC - Albert Champion ACC - Arthur C. Clarke ACM - Arthur C. Mills ACM - Antonio Carlos Magalhaes ACR - Alvah C. Roebuck of Sears, Roebuck, and Company AD - Andrew Darnall ADIDAS - Adolph Adi Dassler