After getting his hamsters , he learned to breed them and founded Marsh Enterprises and the Gulf Hamstery , which promoted Syrian hamsters as pets , for laboratory use , and in business schemes .
At the time , Marsh was a highway engineer but unemployed .
After getting Marsh 's hamsters , Marsh learned to breed them and founded Marsh Enterprises and the Gulf Hamstery , which promoted Syrian hamsters as pets , for laboratory use , and in business schemes .
At the time , Marsh was a highway engineer but unemployed .