What year was Hans and Zacharias Janssen born?

Since this is not my area of expertise, I searched Google under the key words "Hans Zacharias Janssen" to get these possible sources:

http://en.wikipedia.org/wiki/Zacharias_Janssen
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http://www.amazines.com/Hans_Janssen_related.html
http://www.amazines.com/Hans_Janssen_related.html

In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search.

I hope this helps. Thanks for asking.

To find out what year Hans and Zacharias Janssen were born, we can start by understanding who they were. Hans Janssen and his son Zacharias Janssen were Dutch spectacle-makers and are credited with inventing the first compound microscope in the late 16th century.

To determine their birth years, we need to consider historical records and information about their lifespans. Unfortunately, there are limited specific details available about the birth years of Hans and Zacharias Janssen. This is common for historical figures from that era, as birth records were not well-maintained back then.

However, it is believed that Hans Janssen was born in the mid-16th century, likely between 1550 and 1560. Zacharias Janssen, being his son, would have been born later but within a reasonable time frame given their collaborations in microscope development.

So, while the exact birth years of Hans and Zacharias Janssen are unknown, they were likely born sometime in the mid to late 16th century.