the remains of friedrich branft , 22 , make the first complete skeleton to be recovered from the battle of waterloo 200 years ago .
the mystery surrounding brandt 's origins and identity was cracked by gareth glover , 54 , a former royal navy officer and historian .
the skeleton was uncovered in june 2012 when a digger excavated a car park near the lion 's mound area at waterloo battlefield just south of brussels .
further tests put the skeleton 's age at death between 20 and 29 .