Argelander (Argelan`der) , a distinguished astronomer, born at Memel, professor at Bonn; he fixed the position of 22,000 stars, and recorded observations to prove that the solar system was moving through space (1799‒1874).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Argand * Ar`gens, Marquis d'