Cell Theory information please?

Anton van Leewenhoek, Robert Hooke, Matthias Shleiden, Theodor Schwann, Rudolf Virchow, and Louis pasteur. I need to know how those scientists did the following questions. 1. How did they contribute to the cell theory? 2. When did they make a contribution to the cell theory? 3. How did theyre invention,idea,or... show more Anton van Leewenhoek, Robert Hooke, Matthias Shleiden, Theodor Schwann, Rudolf Virchow, and Louis pasteur. I need to know how those scientists did the following questions.
1. How did they contribute to the cell theory?
2. When did they make a contribution to the cell theory?
3. How did theyre invention,idea,or experiment help lead to the rejection of spontaneous generation?
( Please make sure the info is relavent to the cell theory.) Thank You
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