Actress/Model Joyce Walker-Joseph Author/Model Barbara Summers Anyone who was a teenager in 1976 should remember these advertisements of Joyce Walker-Joseph and Barbara Summers from the late '70s. As a teenager I remember them quite vividly because these two ladies were some of my favorite models and anything which featured Joyce on the cover was in my possession and still is. I was digging through my archives until two in the morning having no idea how late it was looking for certain…