theodorus of crete invented the ruler
584 b.C.
Theodorus of Crete
It was invented by a Greek engineer known as Theodorus of Crete.
Theodorus Schrevelius was born in 1572.
Theodorus Gaza was born in 1400.
The ruler was invented by a Greek man, theodorus, crete. And it was invented in 4400 bc
Theodorus Bailey Myers was born in 1821.
Theodorus van Kooten was born in 1749.
Laurens Theodorus Gronovius was born in 1730.
Theodorus Johannes Schoon was born in 1915.
Joseph Theodorus Suwatan was born in 1940.
Theodorus B. M. Mason was born in 1848.
Theodorus Janssonius van Almeloveen was born in 1657.