Please answer the following question: Facts: - death date: 23 september 1946 - spouse: fannie - education: newington college university of sydney - children: 5 sons , 1 daughter - birth date: 19 june 1871 - name: dr -lrb- camb -rrb- frcs -lrb- edin -rrb- fracs john halliday mb chm -lrb- syd -rrb- dph - nationality: australian - parents: francis and mary halliday - death place: sydney , new south wales - birth place: bathurst , new south wales - occupation: ophthalmologist Based on these bullet points, write a short biography describing the life of john halliday -lrb- ophthalmologist -rrb- .
Answer:
john charles white halliday -lrb- 19 june 1871 -- 23 september 1946 -rrb- was an australian ophthalmologist who popularised intracapsular cataract extraction in sydney .