James D Biggs resigned in May 1994 at the Perth Observatory and began in 2010 . Dr James D Biggs resigned at the Perth Observatory in May 1994 and commenced in 2010 .
James D Biggs meletak jawatan pada Mei 1994 di Balai Cerap Perth dan bermula pada tahun 2010. Dr James D Biggs meletak jawatan di Balai Cerap Perth pada Mei 1994 dan bermula pada 2010.