19 h 28 m, 29 nov 2018 año - websites with the info

Descripción:

1)
https://www.timetoast.com/timelines/cell-theory-timeline--20
2) www.softschools.com/timelines/cell_theory_timeline/96
3)
https://www.livescience.com/39649-who-invented-the-microscope.html
4)
https://www.preceden.com/timelines/46013-contributions-to-cell-theory
5)
https://biologydictionary.net/cell-theory-timeline
6)
https://microscope-microscope.org/microscope-info/microscope-history

Añadido al timeline:

fecha: