Which of the following statements is correct?

Hooke was first to observe living cells and introduce the word cell to describe them.

Brown, Schleiden and Schwann, all working independently, were the first to propose cell theory.

Rudolf Virchow was the first to propose that 'all cells arise from other cells'.

Leeuwenhoek was the first to observe unicellular organisms in pond water.

Theodor Schwann observed plant parts and concluded that all plant parts were made up of cells.