Is That A Big Number?

If Time since the birth of chemist Rosalind Franklin (104 y) was a standard unit ...

Age of oldest musical instrument (42,000 y)...more would be 400 x Time since the birth of chemist Rosalind Franklin

Time since first domestication of cattle (10,500 y)...more would be 100 x Time since the birth of chemist Rosalind Franklin

Time since first domestication of cats (10,500 y)...more would be 100 x Time since the birth of chemist Rosalind Franklin

Time since the start of the Bronze Age (5,300 y)...more would be 50 x Time since the birth of chemist Rosalind Franklin

Age of oldest wooden wheel (5,150 y)...more would be 50 x Time since the birth of chemist Rosalind Franklin

Time since building of Stonehenge (5,120 y)...more would be 50 x Time since the birth of chemist Rosalind Franklin

Time since the earliest writing (5,100 y)...more would be 50 x Time since the birth of chemist Rosalind Franklin

Time since the birth of Pythagoras (2,594 y)...more would be 25 x Time since the birth of chemist Rosalind Franklin

Time since the birth of Julius Caesar (2,120 y)...more would be 20 x Time since the birth of chemist Rosalind Franklin

Time since the birth of Cleopatra (2,090 y)...more would be 20 x Time since the birth of chemist Rosalind Franklin

Time since the birth of Pierre de Fermat (423 y)...more would be 4 x Time since the birth of chemist Rosalind Franklin

Time since the birth of Joseph Fourier (256 y)...more would be 2.5 x Time since the birth of chemist Rosalind Franklin

Time since the birth of Dickens (212 y)...more would be 2 x Time since the birth of chemist Rosalind Franklin

Time since the birth of Ada Lovelace (209 y)...more would be 2 x Time since the birth of chemist Rosalind Franklin

Time since the birth of mathematician Maria Gaetana Agnesi (206 y)...more would be 2 x Time since the birth of chemist Rosalind Franklin

Time since first email sent (53 y)...more would be 1/2 of Time since the birth of chemist Rosalind Franklin

Time since the launch of Intel's first microprocessor, the 4004 (53 y)...more would be 1/2 of Time since the birth of chemist Rosalind Franklin

Yes, there's now a book based on these numbers. Oxford University Press: July 2018.