Please check if these have the same meaning. Pick from: a). no; b). yes;
On Cooper 's death in 1897 he was replaced by Frederick William Henckel , who ran the observatory until Marth 's death in 1902 .
In 1897 , Marth 's death was replaced by Frederick William Henckel , who led the observatory until Cooper 's death in 1902 .
a).