- ...catapulted Einstein to the pinnacle of fame.
- all points on the same meridian have the same longitude.
- at the height of her career.
- at the top of his profession.
- his landscapes were deemed the acme of beauty.
- meridian hour.
- our manhood's prime vigor.
- so many highest superlatives achieved by man.
- summer was at its peak.
- the artist's gifts are at their acme.
- the peak of perfection.
- the summit of his ambition.