Who are the people that try to convert others to a particular religion

it would be a evangelist or missionary.  The verb is Proselytize which means 'to convert or attempt to convert (someone) from one religion, belief, or opinion to another.'

aug 15, 2012 - although van leeuwenhoek was not the inventor of the microscope, he advanced it more he loved to grind and focus a new lens in order to see the unseen world. most of leeuwenhoek's microscopes were silver. in a simple but significant experiment (1668), he demonstrated that worms found on