1. What similarities and differences do you find in the research process of Armand Denis and Ignaz Semmelweis? Both Denis and Semmelweis were engaged in a research process that piqued their interests , went through struggles, failed attempts and had some coincidences. But while Semmelweis started off with an observation, proceeded to find the cause by doing research and experiments to reach a concrete conclusion, Denis started with an assumption, sought support from others to verify it but wasn't completely able to prove his hypothesis. Armand Denis needed helping hands to conduct his research and had to bribe them . Semmelweis on the other hand seemed to have got them easily in hospital. While Denis only turned to the human resource available, semmelweis also studied the existing literature to be familiarized with the possible explanation of his observation. Semmelweis preserved throughout the research. Denis had given up his idea after the first attempt except for the coin