What key details about william henry comstock can be extracted from the following bio? Bio: william henry comstock -lrb- august 1 , 1830 -- march 9 , 1919 -rrb- was an american/canadian businessman and politician . born in batavia , new york , comstock was educated in flushing , new york , and on leaving school started work as a clerk . he started his business in 1854 , william h. comstock company , ltd. , which sold patent medicine including dr. morse 's indian root pills , dead shot pellets and mckenzus dead shot worm candy . he was a town councillor and mayor of brockville , ontario . he twice ran unsuccessfully as the liberal candidate for the canadian house of commons for the riding of brockville in the 1882 and 1887 elections , before being elected in an 1899 by-election resulting from the death of the sitting mp , john fisher wood . he did not run in 1900 .
The answer to this question is:
- parliament is canadian- successor is daniel derbyshire- constituency mp is brockville- death date is 9 march 1919- predecessor is john fisher wood- party is liberal- term end is 1900- term start is 1899- birth date is 1 august 1830- name is william henry comstock- image is william henry comstock.png- birth place is batavia , new york