He simulated the traditional Chinese method of making Keemun by fermenting the tea in barrels .
In 1904 , Benjamin Ginsberg ran a variety of experiments at Rondegat Farm , finally curing rooibos .
Benjamin Ginsberg simulated the traditional Chinese method of making Keemun by fermenting the tea in barrels .
In 1904 , Benjamin Ginsberg ran a variety of experiments at Rondegat Farm , finally curing rooibos .