Gilbert had received many honors , including the Gold Medal of the Royal Astronomical Society in 1981 ; the William Bowie Medal in 1999 ; and the Medal of the Seismological Society of America in 2004 .
Gilbert received many honors , including the Gold Medal of the Royal Astronomical Society in 1981 ; the William Bowie Medal in 1999 ; and the Medal of the Seismological Society of America in 2004 .