Possible Clues:

• Important faculty for school
• Computer storage at the end of 15 across
• Answer to the riddle 'I form in an instant and last a lifetime. What am I?'
• High-tech card contents
• Elephant's asset, it's said
• Nostalgic place to stroll [blin..
• Yesterday, today
• Surprised exclamation about capital city, recalled in nostalgia
• Retentive ability
• Italian capital is back in my recollection