Possible Clues:

• Element finding an Athenian, unknown
• Element a Greek citizen discovered in New York
• Athenian in whatever element
• An Athenian youth leader's element
• Element that can harden lead
• Article by doctor comprehended by very small element
• Bluish-white element, symbol Sb
• Element may be Athenian in any case
• Element may be Athen­ian in any case
• There's an element of playfulness for the Athenian in any surroundings