Peter Ritter von Rittinger developed the first heat pump in 1855.. They have been used and in production well before 1980. Hope this helps..
MISANTHROPY
There was no single person.
Hey guys my name is Pewdiepie
It was not 'invented' by one person. A team of developers at Apple created it.
Perfect Strangers
God created the first person. The name is Adam.
Alfred Google
Komal chapagain
William gasoline
tichuwachi camari
Nobody knows.
2004