Kevin Sprouls is the creator of the "Wall Street Journal portrait" style known as "hedcut." He began as a freelance illustrator for "Dow Jones and Company"—the parent company for "The Wall Street Journal." In 1979 he introduced a style of portraiture that the "Journal" adopted because of its concise, engraving style. Wikipedia
The definitive Wikipedia entry for Kevin Sprouls. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Kevin_Sprouls