use warnings;
use Data::Dumper;

my %hash_of_hashes;

while (<DATA>) {
    %h=();
    (my $rn, @h{
        qw(lastname firstname DOB funding URNo Photo_permission)
    }) = (split /,/)[0,1,2,7,18,15,14];

    $hash_of_hashes{$rn} = \%h;
}

foreach (keys %hash_of_hashes) {
    print $hash_of_hashes{$_},$/;
}

print "DATA DUMPER SAYS:\n", Dumper \%hash_of_hashes;
__DATA__
a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p
aa,bb,cc,dd,ee,ff,gg,hh,ii,jj,kk,ll,mm,nn,oo,pp
aaa,abb,acc,add,aee,aff,agg,ahh,aii,ajj,akk,all,amm,ann,aoo,app